feat: add IsPassport

Merge branch 'v2' into rc
fix(package): [slice] Fix RigthPadding and LeftPadding (#322 )
2026-02-04 12:52:28 +08:00 · 2025-08-13 14:01:24 +08:00 · 2025-08-13 11:24:27 +08:00 · 2025-08-04 10:45:29 +08:00 · 2025-07-30 14:28:27 +08:00 · 2025-07-22 10:08:50 +08:00
45 changed files with 841 additions and 232 deletions
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 <br/>

 ![Go version](https://img.shields.io/badge/go-%3E%3Dv1.18-9cf)
-[![Release](https://img.shields.io/badge/release-2.3.6-green.svg)](https://github.com/duke-git/lancet/releases)
+[![Release](https://img.shields.io/badge/release-2.3.7-green.svg)](https://github.com/duke-git/lancet/releases)
 [![GoDoc](https://godoc.org/github.com/duke-git/lancet/v2?status.svg)](https://pkg.go.dev/github.com/duke-git/lancet/v2)
 [![Go Report Card](https://goreportcard.com/badge/github.com/duke-git/lancet/v2)](https://goreportcard.com/report/github.com/duke-git/lancet/v2)
 [![test](https://github.com/duke-git/lancet/actions/workflows/codecov.yml/badge.svg?branch=main&event=push)](https://github.com/duke-git/lancet/actions/workflows/codecov.yml)
@@ -216,28 +216,28 @@ import "github.com/duke-git/lancet/v2/concurrency"
    [[play](https://go.dev/play/p/3TQPKnCirrP)]
 -   **<big>NewKeyedLocker</big>** : KeyedLocker is a simple implementation of a keyed locker that allows for non-blocking lock acquisition.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/concurrency.md#NewKeyedLocker)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/GzeyC33T5rw)]
 -   **<big>Do</big>** :acquires a lock for the specified key and executes the provided function.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/concurrency.md#Do)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/GzeyC33T5rw)]
 -   **<big>NewRWKeyedLocker</big>** :RRWKeyedLocker is a read-write version of KeyedLocker.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/concurrency.md#NewRWKeyedLocker)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/ZrCr8sMo77T)]
 -   **<big>RLock</big>** : acquires a read lock for the specified key and executes the provided function.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/concurrency.md#RLock)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/ZrCr8sMo77T)]
 -   **<big>Lock</big>** : acquires a write lock for the specified key and executes the provided function.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/concurrency.md#Lock)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/WgAcXbOPKGk)]
 -   **<big>NewTryKeyedLocker</big>** : TryKeyedLocker is a non-blocking version of KeyedLocker.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/concurrency.md#NewTryKeyedLocker)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/VG9qLvyetE2)]
 -   **<big>TryLock</big>** : TryLock tries to acquire a lock for the specified key.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/concurrency.md#TryLock)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/VG9qLvyetE2)]
 -   **<big>Unlock</big>** : Unlock releases the lock for the specified key.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/concurrency.md#Unlock)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/VG9qLvyetE2)]

 <h3 id="condition"> 4. Condition package contains some functions for conditional judgment. eg. And, Or, TernaryOperator...&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a> </h3>

@@ -803,7 +803,7 @@ import "github.com/duke-git/lancet/v2/fileutil"
    [[play](https://go.dev/play/p/P2y0XW8a1SH)]
 -   **<big>RemoveDir</big>** : delete directory.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/fileutil.md#RemoveDir)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/Oa6KnPek2uy)]
 -   **<big>ReadFileToString</big>** : return string of file content.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/fileutil.md#ReadFileToString)]
    [[play](https://go.dev/play/p/cmfwp_5SQTp)]
@@ -1124,7 +1124,7 @@ import "github.com/duke-git/lancet/v2/maputil"
    [[play](https://go.dev/play/p/99QjSYSBdiM)]
 -   **<big>FindValuesBy</big>** : returns a slice of values from the map that satisfy the given predicate function.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/maputil.md#FindValuesBy)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/bvNwNBZDm6v)]

 <h3 id="mathutil"> 13. Mathutil package implements some functions for math calculation. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

@@ -1311,10 +1311,10 @@ import "github.com/duke-git/lancet/v2/netutil"
    [[play](https://go.dev/play/p/yiLCGtQv_ZG)]
 -   **<big>BuildUrl</big>** : builds a URL from the given params.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/netutil.md#BuildUrl)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/JLXl1hZK7l4)]
 -   **<big>AddQueryParams</big>** : adds query parameters to the given URL.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/netutil.md#AddQueryParams)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/JLXl1hZK7l4)]

 <h3 id="pointer"> 15. Pointer package contains some util functions to operate go pointer. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

@@ -2228,7 +2228,7 @@ import "github.com/duke-git/lancet/v2/validator"
    [[play](https://go.dev/play/p/LzaKocSV79u)]
 -   **<big>IsAlphaNumeric</big>** : check if the string is alphanumeric.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/validator.md#IsAlphaNumeric)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/RHeESLrLg9c)]
 -   **<big>IsJSON</big>** : check if the string is valid JSON.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/validator.md#IsJSON)]
    [[play](https://go.dev/play/p/8Kip1Itjiil)]
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -4,7 +4,7 @@
 <br/>

 ![Go version](https://img.shields.io/badge/go-%3E%3Dv1.18-9cf)
-[![Release](https://img.shields.io/badge/release-2.3.6-green.svg)](https://github.com/duke-git/lancet/releases)
+[![Release](https://img.shields.io/badge/release-2.3.7-green.svg)](https://github.com/duke-git/lancet/releases)
 [![GoDoc](https://godoc.org/github.com/duke-git/lancet/v2?status.svg)](https://pkg.go.dev/github.com/duke-git/lancet/v2)
 [![Go Report Card](https://goreportcard.com/badge/github.com/duke-git/lancet/v2)](https://goreportcard.com/report/github.com/duke-git/lancet/v2)
 [![test](https://github.com/duke-git/lancet/actions/workflows/codecov.yml/badge.svg?branch=main&event=push)](https://github.com/duke-git/lancet/actions/workflows/codecov.yml)
@@ -215,28 +215,28 @@ import "github.com/duke-git/lancet/v2/concurrency"
    [[play](https://go.dev/play/p/3TQPKnCirrP)]
 -   **<big>NewKeyedLocker</big>** : NewKeyedLocker 创建一个新的 KeyedLocker，并为锁的过期设置指定的 TTL。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/concurrency.md#NewKeyedLocker)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/GzeyC33T5rw)]
 -   **<big>Do</big>** :为指定的键获取锁并执行提供的函数。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/concurrency.md#Do)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/GzeyC33T5rw)]
 -   **<big>NewRWKeyedLocker</big>** :RWKeyedLocker 是一个简单的键值读写锁实现，允许非阻塞的锁获取。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/concurrency.md#NewRWKeyedLocker)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/ZrCr8sMo77T)]
 -   **<big>RLock</big>** : 为指定的键获取读锁并执行提供的函数。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/concurrency.md#RLock)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/ZrCr8sMo77T)]
 -   **<big>Lock</big>** : 为指定的键获取锁并执行提供的函数。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/concurrency.md#Lock)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/WgAcXbOPKGk)]
 -   **<big>NewTryKeyedLocker</big>** : 创建一个 TryKeyedLocker 实例，TryKeyedLocker 是 KeyedLocker 的非阻塞版本。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/concurrency.md#NewTryKeyedLocker)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/VG9qLvyetE2)]
 -   **<big>TryLock</big>** : TryLock 尝试获取指定键的锁。如果锁成功获取，则返回 true，否则返回 false。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/concurrency.md#TryLock)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/VG9qLvyetE2)]
 -   **<big>Unlock</big>** : 释放指定键的锁。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/concurrency.md#Unlock)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/VG9qLvyetE2)]

 <h3 id="condition"> 4. condition 包含一些用于条件判断的函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

@@ -378,9 +378,15 @@ import "github.com/duke-git/lancet/v2/cryptor"
 -   **<big>AesCbcDecrypt</big>** : 使用 AES CBC 算法模式解密数据。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#AesCbcDecrypt)]
    [[play](https://go.dev/play/p/IOq_g8_lKZD)]
-   **<big>AesCtrCrypt</big>** : 使用 AES CTR 算法模式加密/解密数据。
+-   **<big>AesCtrCrypt<sup>deprecated</sup></big>** : 使用 AES CTR 算法模式加密/解密数据。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#AesCtrCrypt)]
    [[play](https://go.dev/play/p/SpaZO0-5Nsp)]
+-   **<big>AesCtrEncrypt</big>** : 使用 AES CTR 算法模式加密数据。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#AesCtrCrypt)]
+    [[play](https://go.dev/play/p/x6pjPAvThRz)]
+-   **<big>AesCtrDecrypt</big>** : 使用 AES CTR 算法模式解密数据。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#AesCtrCrypt)]
+    [[play](https://go.dev/play/p/x6pjPAvThRz)]
 -   **<big>AesCfbEncrypt</big>** : 使用 AES CFB 算法模式加密数据。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#AesCfbEncrypt)]
    [[play](https://go.dev/play/p/tfkF10B13kH)]
@@ -417,9 +423,15 @@ import "github.com/duke-git/lancet/v2/cryptor"
 -   **<big>DesCbcDecrypt</big>** : 使用 DES CBC 算法模式解密数据。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#DesCbcDecrypt)]
    [[play](https://go.dev/play/p/4cC4QvWfe3_1)]
-   **<big>DesCtrCrypt</big>** : 使用 DES CTR 算法模式加密/解密数据。
+-   **<big>DesCtrCrypt<sup>deprecated</sup></big>** : 使用 DES CTR 算法模式加密/解密数据。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#DesCtrCrypt)]
    [[play](https://go.dev/play/p/9-T6OjKpcdw)]
+-   **<big>DesCtrEncrypt</big>** : 使用 DES CTR 算法模式加密数据。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#DesCtrEncrypt)]
+    [[play](https://go.dev/play/p/S6p_WHCgH1d)]
+-   **<big>DesCtrDecrypt</big>** : 使用 DES CTR 算法模式解密数据。
+    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#DesCtrDecrypt)]
+    [[play](https://go.dev/play/p/S6p_WHCgH1d)]
 -   **<big>DesCfbEncrypt</big>** : 使用 DES CFB 算法模式加密数据。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/cryptor.md#DesCfbEncrypt)]
    [[play](https://go.dev/play/p/y-eNxcFBlxL)]
@@ -801,7 +813,7 @@ import "github.com/duke-git/lancet/v2/fileutil"
    [[play](https://go.dev/play/p/P2y0XW8a1SH)]
 -   **<big>RemoveDir</big>** : 删除目录，支持传入删除前的回调函数。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/fileutil.md#RemoveDir)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/Oa6KnPek2uy)]
 -   **<big>ReadFileToString</big>** : 读取文件内容并返回字符串。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/fileutil.md#ReadFileToString)]
    [[play](https://go.dev/play/p/cmfwp_5SQTp)]
@@ -1122,7 +1134,7 @@ import "github.com/duke-git/lancet/v2/maputil"
    [[play](https://go.dev/play/p/99QjSYSBdiM)]
 -   **<big>FindValuesBy</big>** : 返回一个切片，包含满足给定谓词判断函数的 map 中的值。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/maputil.md#FindValuesBy)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/bvNwNBZDm6v)]

 <h3 id="mathutil"> 14. mathutil 包实现了一些数学计算的函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

@@ -1309,10 +1321,10 @@ import "github.com/duke-git/lancet/v2/netutil"
    [[play](https://go.dev/play/p/yiLCGtQv_ZG)]
 -   **<big>BuildUrl</big>** : 创建 url 字符串。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/netutil.md#BuildUrl)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/JLXl1hZK7l4)]
 -   **<big>AddQueryParams</big>** : 向 url 添加查询参数。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/netutil.md#AddQueryParams)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/JLXl1hZK7l4)]

 <h3 id="pointer"> 16. pointer 包支持一些指针类型的操作。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

@@ -2225,7 +2237,7 @@ import "github.com/duke-git/lancet/v2/validator"
    [[play](https://go.dev/play/p/LzaKocSV79u)]
 -   **<big>IsAlphaNumeric</big>** : 验证字符串是字母或数字。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/validator.md#IsAlphaNumeric)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/RHeESLrLg9c)]
 -   **<big>IsJSON</big>** : 验证字符串是否是有效 json。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/validator.md#IsJSON)]
    [[play](https://go.dev/play/p/8Kip1Itjiil)]
--- a/concurrency/keyed_locker.go
+++ b/concurrency/keyed_locker.go
@@ -25,12 +25,14 @@ type lockEntry struct {

 // NewKeyedLocker creates a new KeyedLocker with the specified TTL for lock expiration.
 // The TTL is used to automatically release locks that are no longer held.
+// Play: https://go.dev/play/p/GzeyC33T5rw
 func NewKeyedLocker[K comparable](ttl time.Duration) *KeyedLocker[K] {
 	return &KeyedLocker[K]{ttl: ttl}
 }

 // Do acquires a lock for the specified key and executes the provided function.
 // It returns an error if the context is canceled before the function completes.
+// Play: https://go.dev/play/p/GzeyC33T5rw
 func (l *KeyedLocker[K]) Do(ctx context.Context, key K, fn func()) error {
 	entry := l.acquire(key)
 	defer l.release(key, entry, key)
@@ -107,12 +109,14 @@ type rwLockEntry struct {

 // NewRWKeyedLocker creates a new RWKeyedLocker with the specified TTL for lock expiration.
 // The TTL is used to automatically release locks that are no longer held.
+// Play: https://go.dev/play/p/CkaJWWwZm9
 func NewRWKeyedLocker[K comparable](ttl time.Duration) *RWKeyedLocker[K] {
 	return &RWKeyedLocker[K]{ttl: ttl}
 }

 // RLock acquires a read lock for the specified key and executes the provided function.
 // It returns an error if the context is canceled before the function completes.
+// Play: https://go.dev/play/p/ZrCr8sMo77T
 func (l *RWKeyedLocker[K]) RLock(ctx context.Context, key K, fn func()) error {
 	entry := l.acquire(key)
 	defer l.release(entry, key)
@@ -141,6 +145,7 @@ func (l *RWKeyedLocker[K]) RLock(ctx context.Context, key K, fn func()) error {

 // Lock acquires a write lock for the specified key and executes the provided function.
 // It returns an error if the context is canceled before the function completes.
+// Play: https://go.dev/play/p/WgAcXbOPKGk
 func (l *RWKeyedLocker[K]) Lock(ctx context.Context, key K, fn func()) error {
 	entry := l.acquire(key)
 	defer l.release(entry, key)
@@ -199,12 +204,14 @@ type TryKeyedLocker[K comparable] struct {
 }

 // NewTryKeyedLocker creates a new TryKeyedLocker.
+// Play: https://go.dev/play/p/VG9qLvyetE2
 func NewTryKeyedLocker[K comparable]() *TryKeyedLocker[K] {
 	return &TryKeyedLocker[K]{locks: make(map[K]*casMutex)}
 }

 // TryLock tries to acquire a lock for the specified key.
 // It returns true if the lock was acquired, false otherwise.
+// Play: https://go.dev/play/p/VG9qLvyetE2
 func (l *TryKeyedLocker[K]) TryLock(key K) bool {
 	l.mu.Lock()

@@ -219,6 +226,7 @@ func (l *TryKeyedLocker[K]) TryLock(key K) bool {
 }

 // Unlock releases the lock for the specified key.
+// Play: https://go.dev/play/p/VG9qLvyetE2
 func (l *TryKeyedLocker[K]) Unlock(key K) {
 	l.mu.Lock()
 	defer l.mu.Unlock()
--- a/convertor/convertor.go
+++ b/convertor/convertor.go
@@ -228,6 +228,42 @@ func ToPointer[T any](value T) *T {
 	return &value
 }

+// ToPointers convert a slice of values to a slice of pointers.
+// Play: todo
+func ToPointers[T any](values []T) []*T {
+	result := make([]*T, len(values))
+	for i := range values {
+		result[i] = &values[i]
+	}
+	return result
+}
+
+// FromPointer returns the value pointed to by the pointer.
+// Play: todo
+func FromPointer[T any](ptr *T) T {
+	if ptr == nil {
+		var zeroValue T
+		return zeroValue
+	}
+
+	return *ptr
+}
+
+// FromPointers convert a slice of pointers to a slice of values.
+// Play: todo
+func FromPointers[T any](pointers []*T) []T {
+	result := make([]T, len(pointers))
+	for i, ptr := range pointers {
+		if ptr == nil {
+			var zeroValue T
+			result[i] = zeroValue
+		} else {
+			result[i] = *ptr
+		}
+	}
+	return result
+}
+
 // ToMap convert a slice of structs to a map based on iteratee function.
 // Play: https://go.dev/play/p/tVFy7E-t24l
 func ToMap[T any, K comparable, V any](array []T, iteratee func(T) (K, V)) map[K]V {
@@ -406,15 +442,15 @@ func ToStdBase64(value any) string {
 	if value == nil || (reflect.ValueOf(value).Kind() == reflect.Ptr && reflect.ValueOf(value).IsNil()) {
 		return ""
 	}
-	switch value.(type) {
+	switch v := value.(type) {
 	case []byte:
-		return base64.StdEncoding.EncodeToString(value.([]byte))
+		return base64.StdEncoding.EncodeToString(v)
 	case string:
-		return base64.StdEncoding.EncodeToString([]byte(value.(string)))
+		return base64.StdEncoding.EncodeToString([]byte(v))
 	case error:
-		return base64.StdEncoding.EncodeToString([]byte(value.(error).Error()))
+		return base64.StdEncoding.EncodeToString([]byte(v.Error()))
 	default:
-		marshal, err := json.Marshal(value)
+		marshal, err := json.Marshal(v)
 		if err != nil {
 			return ""
 		}
@@ -428,15 +464,15 @@ func ToUrlBase64(value any) string {
 	if value == nil || (reflect.ValueOf(value).Kind() == reflect.Ptr && reflect.ValueOf(value).IsNil()) {
 		return ""
 	}
-	switch value.(type) {
+	switch v := value.(type) {
 	case []byte:
-		return base64.URLEncoding.EncodeToString(value.([]byte))
+		return base64.URLEncoding.EncodeToString(v)
 	case string:
-		return base64.URLEncoding.EncodeToString([]byte(value.(string)))
+		return base64.URLEncoding.EncodeToString([]byte(v))
 	case error:
-		return base64.URLEncoding.EncodeToString([]byte(value.(error).Error()))
+		return base64.URLEncoding.EncodeToString([]byte(v.Error()))
 	default:
-		marshal, err := json.Marshal(value)
+		marshal, err := json.Marshal(v)
 		if err != nil {
 			return ""
 		}
@@ -450,7 +486,7 @@ func ToRawStdBase64(value any) string {
 	if value == nil || (reflect.ValueOf(value).Kind() == reflect.Ptr && reflect.ValueOf(value).IsNil()) {
 		return ""
 	}
-	switch value.(type) {
+	switch v := value.(type) {
 	case []byte:
 		return base64.RawStdEncoding.EncodeToString(value.([]byte))
 	case string:
@@ -458,7 +494,7 @@ func ToRawStdBase64(value any) string {
 	case error:
 		return base64.RawStdEncoding.EncodeToString([]byte(value.(error).Error()))
 	default:
-		marshal, err := json.Marshal(value)
+		marshal, err := json.Marshal(v)
 		if err != nil {
 			return ""
 		}
@@ -472,7 +508,7 @@ func ToRawUrlBase64(value any) string {
 	if value == nil || (reflect.ValueOf(value).Kind() == reflect.Ptr && reflect.ValueOf(value).IsNil()) {
 		return ""
 	}
-	switch value.(type) {
+	switch v := value.(type) {
 	case []byte:
 		return base64.RawURLEncoding.EncodeToString(value.([]byte))
 	case string:
@@ -480,7 +516,7 @@ func ToRawUrlBase64(value any) string {
 	case error:
 		return base64.RawURLEncoding.EncodeToString([]byte(value.(error).Error()))
 	default:
-		marshal, err := json.Marshal(value)
+		marshal, err := json.Marshal(v)
 		if err != nil {
 			return ""
 		}
--- a/convertor/convertor_test.go
+++ b/convertor/convertor_test.go
@@ -302,6 +302,75 @@ func TestToPointer(t *testing.T) {
 	assert.Equal(*result, 123)
 }

+func TestToPointers(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestToPointers")
+
+	intVals := []int{1, 2, 3}
+	result := ToPointers(intVals)
+
+	assert.Equal(3, len(result))
+	assert.Equal(1, *result[0])
+	assert.Equal(2, *result[1])
+	assert.Equal(3, *result[2])
+
+	stringVals := []string{"a", "b", "c"}
+	resultStr := ToPointers(stringVals)
+	assert.Equal(3, len(resultStr))
+	assert.Equal("a", *resultStr[0])
+	assert.Equal("b", *resultStr[1])
+	assert.Equal("c", *resultStr[2])
+}
+
+func TestFromPointer(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestFromPointer")
+
+	intVal := 123
+	pointer := &intVal
+	result := FromPointer(pointer)
+
+	assert.Equal(123, result)
+
+	stringVal := "abc"
+	stringPointer := &stringVal
+	resultStr := FromPointer(stringPointer)
+
+	assert.Equal("abc", resultStr)
+}
+
+func TestFromPointers(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestFromPointers")
+
+	intPointers := []*int{new(int), new(int), new(int)}
+	*intPointers[0] = 1
+	*intPointers[1] = 2
+	*intPointers[2] = 3
+
+	result := FromPointers(intPointers)
+
+	assert.Equal(3, len(result))
+	assert.Equal(1, result[0])
+	assert.Equal(2, result[1])
+	assert.Equal(3, result[2])
+
+	stringPointers := []*string{new(string), new(string), new(string)}
+	*stringPointers[0] = "a"
+	*stringPointers[1] = "b"
+	*stringPointers[2] = "c"
+
+	resultStr := FromPointers(stringPointers)
+
+	assert.Equal(3, len(resultStr))
+	assert.Equal("a", resultStr[0])
+	assert.Equal("b", resultStr[1])
+	assert.Equal("c", resultStr[2])
+}
+
 func TestEncodeByte(t *testing.T) {
 	t.Parallel()

--- a/cryptor/crypto.go
+++ b/cryptor/crypto.go
@@ -174,7 +174,7 @@ func AesCtrCrypt(data, key []byte) []byte {

 // AesCtrEncrypt encrypt data with key use AES CTR algorithm
 // len(key) should be 16, 24 or 32.
-// Play: todo
+// Play: https://go.dev/play/p/x6pjPAvThRz
 func AesCtrEncrypt(data, key []byte) []byte {
 	if !isAesKeyLengthValid(len(key)) {
 		panic("aes: invalid key length (must be 16, 24, or 32 bytes)")
@@ -199,7 +199,7 @@ func AesCtrEncrypt(data, key []byte) []byte {

 // AesCtrDecrypt decrypt data with key use AES CTR algorithm
 // len(key) should be 16, 24 or 32.
-// Play: todo
+// Play: https://go.dev/play/p/x6pjPAvThRz
 func AesCtrDecrypt(encrypted, key []byte) []byte {
 	if !isAesKeyLengthValid(len(key)) {
 		panic("aes: invalid key length (must be 16, 24, or 32 bytes)")
@@ -507,7 +507,7 @@ func DesCtrCrypt(data, key []byte) []byte {

 // DesCtrEncrypt encrypt data with key use DES CTR algorithm
 // len(key) should be 8.
-// Play: todo
+// Play: https://go.dev/play/p/S6p_WHCgH1d
 func DesCtrEncrypt(data, key []byte) []byte {
 	if len(key) != 8 {
 		panic("des: key length must be 8 bytes")
@@ -534,7 +534,7 @@ func DesCtrEncrypt(data, key []byte) []byte {

 // DesCtrDecrypt decrypt data with key use DES CTR algorithm
 // len(key) should be 8.
-// Play: todo
+// Play: https://go.dev/play/p/S6p_WHCgH1d
 func DesCtrDecrypt(encrypted, key []byte) []byte {
 	if len(key) != 8 {
 		panic("des: key length must be 8 bytes")
--- a/cryptor/crypto_example_test.go
+++ b/cryptor/crypto_example_test.go
@@ -74,6 +74,32 @@ func ExampleAesCtrCrypt() {
 	// hello
 }

+func ExampleAesCtrEncrypt() {
+	data := "hello"
+	key := "abcdefghijklmnop"
+
+	enCrypt := AesCtrEncrypt([]byte(data), []byte(key))
+	deCrypt := AesCtrDecrypt(enCrypt, []byte(key))
+
+	fmt.Println(string(deCrypt))
+
+	// Output:
+	// hello
+}
+
+func ExampleAesCtrDecrypt() {
+	data := "hello"
+	key := "abcdefghijklmnop"
+
+	enCrypt := AesCtrEncrypt([]byte(data), []byte(key))
+	deCrypt := AesCtrDecrypt(enCrypt, []byte(key))
+
+	fmt.Println(string(deCrypt))
+
+	// Output:
+	// hello
+}
+
 func ExampleAesCfbEncrypt() {
 	data := "hello"
 	key := "abcdefghijklmnop"
@@ -227,6 +253,19 @@ func ExampleDesCtrCrypt() {
 	// hello
 }

+func ExampleDesCtrDecrypt() {
+	data := "hello"
+	key := "abcdefgh"
+
+	enCrypt := DesCtrEncrypt([]byte(data), []byte(key))
+	deCrypt := DesCtrDecrypt(enCrypt, []byte(key))
+
+	fmt.Println(string(deCrypt))
+
+	// Output:
+	// hello
+}
+
 func ExampleDesCfbEncrypt() {
 	data := "hello"
 	key := "abcdefgh"
--- a/cryptor/rsa_private_example.pem
+++ b/cryptor/rsa_private_example.pem
@@ -1,51 +1,51 @@
 -----BEGIN rsa private key-----
-MIIJKQIBAAKCAgEAw6Q11wDtWHZiyQbv+XzntJbEELkPQ3oVSVCVjTx+ls5I+yR6
-oq8LxyoUE6SHcBlludkzs02B0rDkkfj6vl0iPCzr3HP1XT1WwFiQJnXKtNNNiLvv
-ewB/aynj/UIBCZZvMTYwK6nc76i4JWcajaiUI4u84Fp7gOn0IgXMhvrwtGHk7HK1
-Zjr0afUJVbodc6pMZfe0QWpnDq7zaeYdkPwz8klWAatLDZTeR5dYli2NiWOBepO1
-538ZvEK3S/QP2nWJzPJy2PbEHfDaFgr055w/wu0MzAQgkXGV8PubhYboJuQAkuXc
-63IPpmWVL/93WeCNRiL5fvNzUHsbPtT48A9NnnUn4QVuVGeXIxJ1skAFsoh7i+h+
-mK/p5rzjPtw56nE20gYXhxf7FzbHYtHn0egoBddUzlOY0yzvCgI5Yy1RdkNe/5vU
-1bpLsdU/WItjR2h6EfqLosQ4iKowPBYQXJOINbpkvIhkhCVbPpMvmhfi/lATiKdo
-XgtvuB04wth011c5W/yXA+A3Ob73Sr2+zyxF870tOp3rNTWsYLvCOjf+JdjgM3Az
-NuFxE4NdMLvXDf7CIXSb3X9rj3qM769Lz6XXbRBVbO0HxGyqLTPPmSWV61jQuUTW
-NGnxkovoYLrpgyumIjjIcl0aY1hogmQeA6ZNgJxaUw9r/p8vnThL5UXKlbcCAwEA
-AQKCAgA6auEMtyEn5gmvPxwO4iYJvW8EE04kduK+RoqxZpviCeyu2QCpbR1WNhFS
-oDE03tCKQvn2EzGtqNZHZBHzH7omP7+ZzyI32iX6Pzej1E5X2jRvnLZwgwCJDjQe
-nkPTChFfn2+YyhrHkRiTSosaO3koeARI9ZulLbaRJiwhLfML2aNSmxnhUb9DmEBW
-UcGTlQlE9UbktZHaR5E1UNoJPdWBBjbhPrWlc4s/00hHZ4i4unaiFFMfscsMdNto
-mZLWR3yDLu3uLRj4W7+zD0h7lCNR4BiPHrhe1YzRLUAOCe9uFWy6cFqcDy3vIKwA
-bgbEVpG4nJ7lMmp/YJMNGujOPbOOFAhziL4jcbQvcbXZTGr78+BIyploCuitqSP7
-lNwM6sL01lBcP3WnpWtGUdggRrIbLlam4KtD/hlXoHWb1YLvnswe9N233FNwyUep
-5W2Svy+DkVDH7BCl/DD0NoPuDyV6yiM+h8gG79o6UHthDwQZxZ7bi+wwulsNajuB
-uiUBQfUURCshgehUJ6u+a0FxxtVqomXKB8vKbd+St6sxpfPWHiimYF9BvXvPp8/F
-KheecohYFmHnB2ecX4Vu/WCUoFVZcuiCFwWabkKL7HlzBUjFuEHdlXSP5+z1CfZM
-Zov907ESptA4YOp+5uM+9UIijVv482ogmDN+VaGDyAhQc5IjgQKCAQEAzX4SEz59
-Ylsz34CiEh3y6KHhUmQVb3pXUevIOKA+hFh3n5pV/4/H8MseVpxqdNLE95hEC8eO
-znWutK1GyLJ/KGWryJ7PcFZIfouys1PRRyzSnuIYPwVflDsW7HDua86vtFQiaYM0
-y9XqjrIVmvMky5NBQIyfnH+UQmxkrCLPbPq0+wr7fy7vh3KxZBZ4Dk2/BkAgbvt3
-qGZIDJfBT1usxgoYe7bchhG8iXt3v1Cn+OoevO7A5LDLTbjMBiYu4TSNa7D/m4pg
-i68ROuTbZR+FhVnUrXmYIuodAaEG+H45V+YW+KT9+SA1RPGwEWIszug1CRLkDT7w
-EPWkjo+kD/hc9wKCAQEA87pMGSLSK0tUcPzmLtE6zjj48tNaDXjoBiYksi2oOb1T
-mB6GEJWaI+UdrdmucsqqS5lcLPizTIVyq3jt0eJV3HV3B1VpYkLKH1HzJNGlqOsm
-QY8tjJVrCKdyRjsmX6tD3EEt9YH/sgtCN4OHNDMKigbI9HKH1ds5nofsfu+tAmBf
-5xBi/ziWZ+wgzOXgkKtUmP09YQ4+mKRYCWtQsWjYn7tLH1IcJ+NLktfOjBa5Z6xP
-FIgjCWTpoH0IgVFzzoNtcp4bxZUuI954dhEXRlvNWx3BPV6OEGn3Z8b8crtlq2uB
-Df9H2EbycZLRouYEjmRIqoLxcaiv4U/JXV/+pqUdQQKCAQEAgivJcW1VaffSLVPD
-1uwn0tuw60tBFOQP6nIM3GoOEDImXPEcZw6CnnNc3YqqGSTm5t0Kxdd9DCYaLJPT
-UhFYYZO+NRD84PGXbKo74kNHP+oR5dndeBaETFb+F3sWXS6JuRbO0b3utOzmb8w5
-yXUaqua2IBi0hyN+HHGjeDN46FUMTjbPx+pIi6nI21ksZgsz5da7dPJRA1j/bRK4
-vveYw77jcYMNwNP9da3D1mpWbWSJYi9v+65OqwZUH9USP1DWAREXakVHEVUt+fu9
-SxqjryyPf/CVwhBBnaWOz9zNoHO9u3Zw995CQFFFsk1ZixwndH8F/aoP0v54ZmJx
-kDhJUwKCAQEAiDafHxEx6pZgLAF7V8EBn42BvJxYYN0ot38L1TTlJtfj50lv3cbu
-bY84Bhh5gZg4kqW0OUIJWwPd8W1VZI6dM+fGTSf0DMGNGvH+9J3iesRpDgzKBR7g
-weZrXErkiGU8ONWIrQQpdkUKjeIJZyf7hOaD2vJDbkbmLe6DQvIKfCCGmKm02jSz
-AoOaVUlINzI5xoMJkbuXSlHXDfSXFX+mSacwNeH68GP8saXAvtRYbFOFotDu2+o1
-E8etQDDYixsyyPMKTGOydMN6CWpF2sGlxH2dqQG2XgALEEnKfwiyqpobd0oryfjk
-uIq4dNUeyMHNRtaFv+Lp4P9pZ7ElrdbrwQKCAQBScEA9ds64/tE6zGM77kGHPOii
-RaCvaw9FeuC6WyoBPWtIi6clXPrbt/6vVlK2JKtpHfVMOFIQ175s4THQVQczhwgv
-U4rgkoRrdM9fmeaewMUgXJmqWJD3cQSXm5LJg5cQ8OSAm5PV8xdKTr36pAr+9RTS
-bYodXZW6BV/sV9HNnWjcx+l3QViJqRCsGFNTHF86e289V4IRIQOPFbhQW+dEsevz
-mnitogmSeVUwUJfi0A38Zcmu3GA7NhfGE0XrUs76skYY4Yx+r71rfN99VvnG/OAs
-NIpwYPJ/uZB9T1H7Cjlz0BH0P3GNaqbo96uPUhgBGy/PLmHOeDnJ2e1BMAYa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=
 -----END rsa private key-----
--- a/cryptor/rsa_public_example.pem
+++ b/cryptor/rsa_public_example.pem
@@ -1,14 +1,14 @@
 -----BEGIN rsa public key-----
-MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAw6Q11wDtWHZiyQbv+Xzn
-tJbEELkPQ3oVSVCVjTx+ls5I+yR6oq8LxyoUE6SHcBlludkzs02B0rDkkfj6vl0i
-PCzr3HP1XT1WwFiQJnXKtNNNiLvvewB/aynj/UIBCZZvMTYwK6nc76i4JWcajaiU
-I4u84Fp7gOn0IgXMhvrwtGHk7HK1Zjr0afUJVbodc6pMZfe0QWpnDq7zaeYdkPwz
-8klWAatLDZTeR5dYli2NiWOBepO1538ZvEK3S/QP2nWJzPJy2PbEHfDaFgr055w/
-wu0MzAQgkXGV8PubhYboJuQAkuXc63IPpmWVL/93WeCNRiL5fvNzUHsbPtT48A9N
-nnUn4QVuVGeXIxJ1skAFsoh7i+h+mK/p5rzjPtw56nE20gYXhxf7FzbHYtHn0ego
-BddUzlOY0yzvCgI5Yy1RdkNe/5vU1bpLsdU/WItjR2h6EfqLosQ4iKowPBYQXJOI
-NbpkvIhkhCVbPpMvmhfi/lATiKdoXgtvuB04wth011c5W/yXA+A3Ob73Sr2+zyxF
-870tOp3rNTWsYLvCOjf+JdjgM3AzNuFxE4NdMLvXDf7CIXSb3X9rj3qM769Lz6XX
-bRBVbO0HxGyqLTPPmSWV61jQuUTWNGnxkovoYLrpgyumIjjIcl0aY1hogmQeA6ZN
-gJxaUw9r/p8vnThL5UXKlbcCAwEAAQ==
+MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA8O2hLVt/7v6rQF2eGX3J
+QyteV45lI/5qlyqTe7CiwUg1bkJ2yLHaoGSWoVtthE/X7GZgsw57VEgnazZAehe
+XcxV8OJWBGuRfmXabtKIzSBF8uZj+H3iPDvJB7NggMh8teYsdBSn9Cm/L5FesDvg
+/KxUKKfBU4LSrhOMhBauIoOSVU659y3kYgpzC/ormvCsJSe3KSdIhtLxiv+dnEHh
+9WvsXWB50lIw3TIC041aL5mwRvb5/JWcjtn5bgLEChrnEGF0RYUDMwm8hT1YsEN9
+Rb9fOx5ZTUZNRVHYjaCyUA+cG+gC72EjrkXY4If3pAESNcF+5NGGJaETd8rHzHsR
+FRVPXkwhRmkx9nBF+RjQhouqBTptIcIO2rPlTC9H5Oeg+jVljlBJ7/ESeOlg2OEb
+YyOUJpAPMPcz5HiNSTRHuDWIDUuk48BOF9Vo00PJq/oXRzUa9HHhu6cosfZH4P4P
+kDthxq89migqUL+C8WqeZ8I+xFS8/1TpvjOnOYF5ADvByC69UGPEoh+o+ZpgWfAs
+Crb9Qwy9WAAZg0rsouoPqb4Qk6Vr88X6I20Ys9AayLzZ72ddoS5IweOoF5/xLfii
+cGLKckNwG6sy4f1LCFB2Xc79nYqJzlwPGC3pKfEIAXUj1I/p+/MqaTDJQs72dhr0
+lTX5505XUBqrbX0BPGcZvIsCAwEAAQ==
 -----END rsa public key-----
--- a/datastructure/queue/arrayqueue.go
+++ b/datastructure/queue/arrayqueue.go
@@ -60,7 +60,7 @@ func (q *ArrayQueue[T]) Front() T {

 // Back return back value of queue
 func (q *ArrayQueue[T]) Back() T {
-	return q.data[q.size-1]
+	return q.data[q.tail-1]
 }

 // EnQueue put element into queue
--- a/docs/api/overview.md
+++ b/docs/api/overview.md
@@ -2,10 +2,9 @@
 outline: deep
 ---

-# API概述
-
-<b>lancet（柳叶刀）是一个功能强大、全面、高效、可复用的go语言工具函数库。包含25个包，超过600个工具函数。功能涵盖字符串处理、切片处理、网络、并发、加解密、文件处理、时间/日期、流处理、迭代器等等。</b>
+# API 概述

+<b>lancet（柳叶刀）是一个功能强大、全面、高效、可复用的 go 语言工具函数库。包含 25 个包，超过 600 个工具函数。功能涵盖字符串处理、切片处理、网络、并发、加解密、文件处理、时间/日期、流处理、迭代器等等。</b>

 <style>
 .package-title {
@@ -27,7 +26,7 @@ outline: deep
    display: inline-block;
    vertical-align: middle;
    line-height: 40px;
-    background: #10b981;
+    background: #6cadf5;
    border: 1px solid;
    margin-right: 10px;
    margin-bottom: 10px;
@@ -67,4 +66,4 @@ outline: deep
        <div class="package-cell">validator</div>
        <div class="package-cell">xerror</div>
    </div>
-</div>
+</div>
--- a/docs/api/packages/algorithm.md
+++ b/docs/api/packages/algorithm.md
@@ -8,7 +8,7 @@ algorithm 算法包实现一些基本算法，sort，search，lrucache。

 -   [https://github.com/duke-git/lancet/blob/main/algorithm/sort.go](https://github.com/duke-git/lancet/blob/main/algorithm/sort.go)
 -   [https://github.com/duke-git/lancet/blob/main/algorithm/search.go](https://github.com/duke-git/lancet/blob/main/algorithm/search.go)
-   [https://github.com/duke-git/lancet/blob/main/algorithm/lru_cache.go](https://github.com/duke-git/lancet/blob/main/algorithm/lru_cache.go)
+-   [https://github.com/duke-git/lancet/blob/main/algorithm/lrucache.go](https://github.com/duke-git/lancet/blob/main/algorithm/lrucache.go)

 <div STYLE="page-break-after: always;"></div>

--- a/docs/api/packages/concurrency.md
+++ b/docs/api/packages/concurrency.md
@@ -477,7 +477,7 @@ func main() {
 func NewKeyedLocker[K comparable](ttl time.Duration) *KeyedLocker[K]
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/GzeyC33T5rw)</span></b>

 ```go
 package main
@@ -534,7 +534,7 @@ func main() {
 func (l *KeyedLocker[K]) Do(ctx context.Context, key K, fn func()) error
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/GzeyC33T5rw)</span></b>

 ```go
 package main
@@ -591,7 +591,7 @@ func main() {
 func NewRWKeyedLocker[K comparable](ttl time.Duration) *RWKeyedLocker[K]
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/CkaJWWwZm9)</span></b>

 ```go
 package main
@@ -640,7 +640,7 @@ func main() {
 func (l *RWKeyedLocker[K]) RLock(ctx context.Context, key K, fn func()) error
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/ZrCr8sMo77T)</span></b>

 ```go
 package main
@@ -689,7 +689,7 @@ func main() {
 func (l *RWKeyedLocker[K]) Lock(ctx context.Context, key K, fn func()) error
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/WgAcXbOPKGk)</span></b>

 ```go
 package main
@@ -738,7 +738,7 @@ func main() {
 func NewTryKeyedLocker[K comparable]() *TryKeyedLocker[K]
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/VG9qLvyetE2)</span></b>

 ```go
 package main
@@ -779,7 +779,7 @@ func main() {
 func (l *TryKeyedLocker[K]) TryLock(key K) bool
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/VG9qLvyetE2)</span></b>

 ```go
 package main
@@ -820,7 +820,7 @@ func main() {
 func (l *TryKeyedLocker[K]) Unlock(key K)
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/VG9qLvyetE2)</span></b>

 ```go
 package main
--- a/docs/api/packages/cryptor.md
+++ b/docs/api/packages/cryptor.md
@@ -27,7 +27,9 @@ import (
 -   [AesEcbDecrypt](#AesEcbDecrypt)
 -   [AesCbcEncrypt](#AesCbcEncrypt)
 -   [AesCbcDecrypt](#AesCbcDecrypt)
-   [AesCtrCrypt](#AesCtrCrypt)
+-   [AesCtrCrypt<sup>deprecated</sup>](#AesCtrCrypt)
+-   [AesCtrEncrypt](#AesCtrEncrypt)
+-   [AesCtrDecrypt](#AesCtrDecrypt)
 -   [AesCfbEncrypt](#AesCfbEncrypt)
 -   [AesCfbDecrypt](#AesCfbDecrypt)
 -   [AesOfbEncrypt](#AesOfbEncrypt)
@@ -40,7 +42,7 @@ import (
 -   [DesEcbDecrypt](#DesEcbDecrypt)
 -   [DesCbcEncrypt](#DesCbcEncrypt)
 -   [DesCbcDecrypt](#DesCbcDecrypt)
-   [DesCtrCrypt](#DesCtrCrypt)
+-   [DesCtrCrypt<sup>deprecated</sup>](#DesCtrCrypt)
 -   [DesCfbEncrypt](#DesCfbEncrypt)
 -   [DesCfbDecrypt](#DesCfbDecrypt)
 -   [DesOfbEncrypt](#DesOfbEncrypt)
@@ -73,7 +75,6 @@ import (
 -   [RsaSign](#RsaSign)
 -   [RsaVerifySign](#RsaVerifySign)

-
 <div STYLE="page-break-after: always;"></div>

 ## 文档
@@ -218,6 +219,8 @@ func main() {

 <p>使用AES CTR算法模式加密/解密数据，参数`key`的长度是16, 24 or 32。</p>

+> ⚠️ 本函数已弃用，使用`AesCtrEncrypt`和`AesCtrDecrypt`代替。
+
 <b>函数签名:</b>

 ```go
@@ -248,6 +251,74 @@ func main() {
 }
 ```

+### <span id="AesCtrEncrypt">AesCtrEncrypt</span>
+
+<p>使用AES CTR算法模式加密数据，参数`key`的长度是16, 24 or 32。</p>
+
+<b>函数签名:</b>
+
+```go
+func AesCtrEncrypt(data, key []byte) []byte
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/x6pjPAvThRz)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/cryptor"
+)
+
+func main() {
+    data := "hello"
+    key := "abcdefghijklmnop"
+
+    encrypted := cryptor.AesCtrEncrypt([]byte(data), []byte(key))
+    decrypted := cryptor.AesCtrDecrypt(encrypted, []byte(key))
+
+    fmt.Println(string(decrypted))
+
+    // Output:
+    // hello
+}
+```
+
+### <span id="AesCtrDecrypt">AesCtrDecrypt</span>
+
+<p>使用AES CTR算法模式解密数据，参数`key`的长度是16, 24 or 32。</p>
+
+<b>函数签名:</b>
+
+```go
+func AesCtrDecrypt(encrypted, key []byte) []byte
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/x6pjPAvThRz)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/cryptor"
+)
+
+func main() {
+    data := "hello"
+    key := "abcdefghijklmnop"
+
+    encrypted := cryptor.AesCtrEncrypt([]byte(data), []byte(key))
+    decrypted := cryptor.AesCtrDecrypt(encrypted, []byte(key))
+
+    fmt.Println(string(decrypted))
+
+    // Output:
+    // hello
+}
+```
+
 ### <span id="AesCfbEncrypt">AesCfbEncrypt</span>

 <p>使用AES CFB算法模式加密数据，参数`key`的长度是16, 24 or 32。</p>
@@ -648,10 +719,80 @@ func main() {
 }
 ```

+### <span id="DesCtrEncrypt">DesCtrEncrypt</span>
+
+<p>使用DES CTR算法模式加密数据，参数`key`的长度是8</p>
+
+<b>函数签名:</b>
+
+```go
+func DesCtrEncrypt(data, key []byte) []byte
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/S6p_WHCgH1d)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/cryptor"
+)
+
+func main() {
+    data := "hello"
+    key := "abcdefgh"
+
+    encrypted := cryptor.DesCtrEncrypt([]byte(data), []byte(key))
+    decrypted := cryptor.DesCtrDecrypt(encrypted, []byte(key))
+
+    fmt.Println(string(decrypted))
+
+    // Output:
+    // hello
+}
+```
+
+### <span id="DesCtrDecrypt">DesCtrDecrypt</span>
+
+<p>使用DES CTR算法模式加密数据，参数`key`的长度是8</p>
+
+<b>函数签名:</b>
+
+```go
+func DesCtrDecrypt(encrypted, key []byte) []byte
+```
+
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/S6p_WHCgH1d)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/cryptor"
+)
+
+func main() {
+    data := "hello"
+    key := "abcdefgh"
+
+    encrypted := cryptor.DesCtrEncrypt([]byte(data), []byte(key))
+    decrypted := cryptor.DesCtrDecrypt(encrypted, []byte(key))
+
+    fmt.Println(string(decrypted))
+
+    // Output:
+    // hello
+}
+```
+
 ### <span id="DesCtrCrypt">DesCtrCrypt</span>

 <p>使用DES CTR算法模式加密/解密数据，参数`key`的长度是8</p>

+> ⚠️ 本函数已弃用，使用`DesCtrEncrypt`和`DesCtrDecrypt`代替。
+
 <b>函数签名:</b>

 ```go
--- a/docs/api/packages/fileutil.md
+++ b/docs/api/packages/fileutil.md
@@ -427,7 +427,7 @@ func main() {
 func RemoveDir(path string, onDelete ...func(path string)) error
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/Oa6KnPek2uy)</span></b>

 ```go
 package main
@@ -970,7 +970,7 @@ func main() {
 <b>函数签名:</b>

 ```go
-func ReadFile(path string) (reader io.ReadCloser, closeFn func(), err error) 
+func ReadFile(path string) (reader io.ReadCloser, closeFn func(), err error)
 ```

 <b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/uNep3Tr8fqF)</span></b>
@@ -994,9 +994,9 @@ func main() {
    if err != nil {
        return
    }
-    
+
    fmt.Println(string(dat))
-    
+
    // Output:
    // User-agent: *
    // Disallow: /deny
@@ -1025,7 +1025,7 @@ import (

 func main() {
    const mb = 1024 * 1024
-    const defaultChunkSizeMB = 100 
+    const defaultChunkSizeMB = 100

    // test1.csv file content:
    // Lili,22,female
@@ -1089,7 +1089,7 @@ func main() {
    numParsers := runtime.NumCPU()

    linesCh := make(chan []string, numParsers)
-    
+
    // test1.csv file content:
    // Lili,22,female
    // Jim,21,male
@@ -1114,6 +1114,7 @@ func main() {
    // 2
 }
 ```
+
 ### <span id="GetExeOrDllVersion">GetExeOrDllVersion</span>

 <p>返回exe,dll文件版本号(仅Window平台).</p>
@@ -1143,4 +1144,4 @@ func main() {
    // Output:
    // 3.9.10.19
 }
-```
+```
--- a/docs/api/packages/maputil.md
+++ b/docs/api/packages/maputil.md
@@ -1095,7 +1095,7 @@ func main() {
 <b>函数签名:</b>

 ```go
-func ToSortedSlicesWithComparator[K comparable, V any](m map[K]V, comparator func(a, b K) bool) ([]K, []V) 
+func ToSortedSlicesWithComparator[K comparable, V any](m map[K]V, comparator func(a, b K) bool) ([]K, []V)
 ```

 <b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/0nlPo6YLdt3)</span></b>
@@ -1259,7 +1259,6 @@ func main() {
 }
 ```

-
 ### <span id="OrderedMap_Delete">OrderedMap_Delete</span>

 <p>删除给定键的键值对。</p>
@@ -2192,7 +2191,6 @@ func main() {
 }
 ```

-
 ### <span id="GetOrSet">GetOrSet</span>

 <p>返回给定键的值，如果不存在则设置该值。</p>
@@ -2276,7 +2274,7 @@ func main() {
 <b>函数签名:</b>

 ```go
-func GetOrDefault[K comparable, V any](m map[K]V, key K, defaultValue V) V 
+func GetOrDefault[K comparable, V any](m map[K]V, key K, defaultValue V) V
 ```

 <b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/99QjSYSBdiM)</span></b>
@@ -2319,7 +2317,7 @@ func main() {
 func FindValuesBy[K comparable, V any](m map[K]V, predicate func(key K, value V) bool) []V
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/bvNwNBZDm6v)</span></b>

 ```go
 package main
@@ -2346,4 +2344,4 @@ func main() {
    // Output:
    // [b d]
 }
-```
+```
--- a/docs/api/packages/netutil.md
+++ b/docs/api/packages/netutil.md
@@ -1044,7 +1044,7 @@ func main() {
 func BuildUrl(scheme, host, path string, query map[string][]string) (string, error)
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/JLXl1hZK7l4)</span></b>

 ```go
 package main
@@ -1084,7 +1084,7 @@ func main() {
 func AddQueryParams(urlStr string, params map[string][]string) (string, error)
 ```

-<b>示例:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/JLXl1hZK7l4)</span></b>

 ```go
 package main
--- a/docs/api/packages/validator.md
+++ b/docs/api/packages/validator.md
@@ -834,7 +834,7 @@ func main() {
 func IsAlphaNumeric(s string) bool
 ```

-<b>示例:<span style="float:right;display:inline-block">[运行](https://go.dev/play/p/todo)</span></b>
+<b>示例:<span style="float:right;display:inline-block">[运行](https://go.dev/play/p/RHeESLrLg9c)</span></b>

 ```go
 import (
--- a/docs/en/api/overview.md
+++ b/docs/en/api/overview.md
@@ -6,7 +6,6 @@ outline: deep

 <b>Lancet (Lancet) is a powerful, comprehensive, efficient and reusable go language tool function library. Contains 25 packages, more than 600 utility functions. Functions cover string processing, slice processing, network, concurrency, encryption and decryption, file processing, time/date, stream processing, iterators, and more.</b>

-
 <style>
 .package-title {
    color: black;
@@ -27,7 +26,7 @@ outline: deep
    display: inline-block;
    vertical-align: middle;
    line-height: 40px;
-    background: #059669;
+    background: #6cadf5;
    border: 1px solid;
    margin-right: 10px;
    margin-bottom: 10px;
@@ -47,6 +46,7 @@ outline: deep
        <div class="package-cell">cryptor</div>
        <div class="package-cell">datastructure</div>
        <div class="package-cell">datetime</div>
+        <div class="package-cell">eventbus</div>
        <div class="package-cell">fileutil</div>
        <div class="package-cell">formatter</div>
        <div class="package-cell">function</div>
@@ -67,4 +67,3 @@ outline: deep
        <div class="package-cell">xerror</div>
    </div>
 </div>
-
--- a/docs/en/api/packages/algorithm.md
+++ b/docs/en/api/packages/algorithm.md
@@ -8,7 +8,7 @@ Package algorithm implements some basic algorithm. eg. sort, search.

 -   [https://github.com/duke-git/lancet/blob/main/algorithm/sort.go](https://github.com/duke-git/lancet/blob/main/algorithm/sort.go)
 -   [https://github.com/duke-git/lancet/blob/main/algorithm/search.go](https://github.com/duke-git/lancet/blob/main/algorithm/search.go)
-   [https://github.com/duke-git/lancet/blob/main/algorithm/lru_cache.go](https://github.com/duke-git/lancet/blob/main/algorithm/lru_cache.go)
+-   [https://github.com/duke-git/lancet/blob/main/algorithm/lrucache.go](https://github.com/duke-git/lancet/blob/main/algorithm/lrucache.go)

 <div STYLE="page-break-after: always;"></div>

--- a/docs/en/api/packages/concurrency.md
+++ b/docs/en/api/packages/concurrency.md
@@ -479,7 +479,7 @@ func main() {
 func NewKeyedLocker[K comparable](ttl time.Duration) *KeyedLocker[K]
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/GzeyC33T5rw)</span></b>

 ```go
 package main
@@ -536,7 +536,7 @@ func main() {
 func (l *KeyedLocker[K]) Do(ctx context.Context, key K, fn func()) error
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/GzeyC33T5rw)</span></b>

 ```go
 package main
@@ -593,7 +593,7 @@ func main() {
 func NewRWKeyedLocker[K comparable](ttl time.Duration) *RWKeyedLocker[K]
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/ZrCr8sMo77T)</span></b>

 ```go
 package main
@@ -642,7 +642,7 @@ func main() {
 func (l *RWKeyedLocker[K]) RLock(ctx context.Context, key K, fn func()) error
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/ZrCr8sMo77T)</span></b>

 ```go
 package main
@@ -691,7 +691,7 @@ func main() {
 func (l *RWKeyedLocker[K]) Lock(ctx context.Context, key K, fn func()) error
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/WgAcXbOPKGk)</span></b>

 ```go
 package main
@@ -740,7 +740,7 @@ func main() {
 func NewTryKeyedLocker[K comparable]() *TryKeyedLocker[K]
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/VG9qLvyetE2)</span></b>

 ```go
 package main
@@ -781,7 +781,7 @@ func main() {
 func (l *TryKeyedLocker[K]) TryLock(key K) bool
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/VG9qLvyetE2)</span></b>

 ```go
 package main
@@ -822,7 +822,7 @@ func main() {
 func (l *TryKeyedLocker[K]) Unlock(key K)
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/VG9qLvyetE2)</span></b>

 ```go
 package main
--- a/docs/en/api/packages/cryptor.md
+++ b/docs/en/api/packages/cryptor.md
@@ -27,7 +27,9 @@ import (
 -   [AesEcbDecrypt](#AesEcbDecrypt)
 -   [AesCbcEncrypt](#AesCbcEncrypt)
 -   [AesCbcDecrypt](#AesCbcDecrypt)
-   [AesCtrCrypt](#AesCtrCrypt)
+-   [AesCtrCrypt<sup>deprecated</sup>](#AesCtrCrypt)
+-   [AesCtrEncrypt](#AesCtrEncrypt)
+-   [AesCtrDecrypt](#AesCtrDecrypt)
 -   [AesCfbEncrypt](#AesCfbEncrypt)
 -   [AesCfbDecrypt](#AesCfbDecrypt)
 -   [AesOfbEncrypt](#AesOfbEncrypt)
@@ -40,7 +42,9 @@ import (
 -   [DesEcbDecrypt](#DesEcbDecrypt)
 -   [DesCbcEncrypt](#DesCbcEncrypt)
 -   [DesCbcDecrypt](#DesCbcDecrypt)
-   [DesCtrCrypt](#DesCtrCrypt)
+-   [DesCtrCrypt<sup>deprecated</sup>](#DesCtrCrypt)
+-   [DesCfbEncrypt](#DesCfbEncrypt)
+-   [DesCfbDecrypt](#DesCfbDecrypt)
 -   [DesCfbEncrypt](#DesCfbEncrypt)
 -   [DesCfbDecrypt](#DesCfbDecrypt)
 -   [DesOfbEncrypt](#DesOfbEncrypt)
@@ -217,6 +221,8 @@ func main() {

 <p>Encrypt or decrypt data with key use AES CTR algorithm. Length of `key` param should be 16, 24 or 32.</p>

+> ⚠️ This function is deprecated. use `AesCtrEncrypt` and `AesCtrDecrypt` instead.
+
 <b>Signature:</b>

 ```go
@@ -247,6 +253,74 @@ func main() {
 }
 ```

+### <span id="AesCtrEncrypt">AesCtrEncrypt</span>
+
+<p>Encrypt data with key use AES CTR algorithm</p>
+
+<b>Signature:</b>
+
+```go
+func AesCtrEncrypt(data, key []byte) []byte
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/x6pjPAvThRz)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/cryptor"
+)
+
+func main() {
+    data := "hello"
+    key := "abcdefghijklmnop"
+
+    encrypted := cryptor.AesCtrEncrypt([]byte(data), []byte(key))
+    decrypted := cryptor.AesCtrDecrypt(encrypted, []byte(key))
+
+    fmt.Println(string(decrypted))
+
+    // Output:
+    // hello
+}
+```
+
+### <span id="AesCtrDecrypt">AesCtrDecrypt</span>
+
+<p>Decrypt data with key use AES CTR algorithm</p>
+
+<b>Signature:</b>
+
+```go
+func AesCtrDecrypt(encrypted, key []byte) []byte
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/x6pjPAvThRz)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/cryptor"
+)
+
+func main() {
+    data := "hello"
+    key := "abcdefghijklmnop"
+
+    encrypted := cryptor.AesCtrEncrypt([]byte(data), []byte(key))
+    decrypted := cryptor.AesCtrDecrypt(encrypted, []byte(key))
+
+    fmt.Println(string(decrypted))
+
+    // Output:
+    // hello
+}
+```
+
 ### <span id="AesCfbEncrypt">AesCfbEncrypt</span>

 <p>Encrypt data with key use AES CFB algorithm. Length of `key` param should be 16, 24 or 32.</p>
@@ -651,6 +725,8 @@ func main() {

 <p>Encrypt or decrypt data with key use DES CTR algorithm. Length of `key` param should be 8.</p>

+> ⚠️ This function is deprecated. use `DesCtrEncrypt` and `DesCtrDecrypt` instead.
+
 <b>Signature:</b>

 ```go
@@ -681,6 +757,74 @@ func main() {
 }
 ```

+### <span id="DesCtrEncrypt">DesCtrCrypt</span>
+
+<p>Encrypt data with key use DES CTR algorithm. Length of `key` param should be 8.</p>
+
+<b>Signature:</b>
+
+```go
+func DesCtrEncrypt(data, key []byte) []byte
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/S6p_WHCgH1d)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/cryptor"
+)
+
+func main() {
+    data := "hello"
+    key := "abcdefgh"
+
+    encrypted := cryptor.DesCtrEncrypt([]byte(data), []byte(key))
+    decrypted := cryptor.DesCtrDecrypt(encrypted, []byte(key))
+
+    fmt.Println(string(decrypted))
+
+    // Output:
+    // hello
+}
+```
+
+### <span id="DesCtrDecrypt">DesCtrDecrypt</span>
+
+<p>Decrypt data with key use DES CTR algorithm. Length of `key` param should be 8.</p>
+
+<b>Signature:</b>
+
+```go
+func DesCtrDecrypt(encrypted, key []byte) []byte
+```
+
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/S6p_WHCgH1d)</span></b>
+
+```go
+package main
+
+import (
+    "fmt"
+    "github.com/duke-git/lancet/v2/cryptor"
+)
+
+func main() {
+    data := "hello"
+    key := "abcdefgh"
+
+    encrypted := cryptor.DesCtrEncrypt([]byte(data), []byte(key))
+    decrypted := cryptor.DesCtrDecrypt(encrypted, []byte(key))
+
+    fmt.Println(string(decrypted))
+
+    // Output:
+    // hello
+}
+```
+
 ### <span id="DesCfbEncrypt">DesCfbEncrypt</span>

 <p>Encrypt data with key use DES CFB algorithm. Length of `key` param should be 8.</p>
--- a/docs/en/api/packages/fileutil.md
+++ b/docs/en/api/packages/fileutil.md
@@ -427,7 +427,7 @@ func main() {
 func RemoveDir(path string, onDelete ...func(path string)) error
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/Oa6KnPek2uy)</span></b>

 ```go
 package main
@@ -970,7 +970,7 @@ func main() {
 <b>Signature:</b>

 ```go
-func ReadFile(path string) (reader io.ReadCloser, closeFn func(), err error) 
+func ReadFile(path string) (reader io.ReadCloser, closeFn func(), err error)
 ```

 <b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/uNep3Tr8fqF)</span></b>
@@ -1023,7 +1023,7 @@ import (

 func main() {
    const mb = 1024 * 1024
-    const defaultChunkSizeMB = 100 
+    const defaultChunkSizeMB = 100

    // test1.csv file content:
    // Lili,22,female
@@ -1087,7 +1087,7 @@ func main() {
    numParsers := runtime.NumCPU()

    linesCh := make(chan []string, numParsers)
-    
+
    // test1.csv file content:
    // Lili,22,female
    // Jim,21,male
@@ -1140,8 +1140,8 @@ func main() {
    }

    fmt.Println(v)
-    
+
    // Output:
    // 3.9.10.19
 }
-```
+```
--- a/docs/en/api/packages/function.md
+++ b/docs/en/api/packages/function.md
@@ -620,7 +620,7 @@ func main() {

 ### <span id="Nand">Nand</span>

-<p>Returns a composed predicate that represents the logical NAND of a list of predicates. It evaluates to true only if all predicates evaluate to false for the given value.</p>
+<p>Returns a composed predicate that represents the logical NAND of a list of predicates. It evaluates to false only if all predicates evaluate to true for the given value.</p>

 <b>Signature:</b>

@@ -650,7 +650,7 @@ func main() {

    // Output:
    // false
-    // false
+    // true
    // true
 }
 ```
--- a/docs/en/api/packages/maputil.md
+++ b/docs/en/api/packages/maputil.md
@@ -10,7 +10,6 @@ Package maputil includes some functions to manipulate map.
 -   [https://github.com/duke-git/lancet/blob/main/maputil/concurrentmap.go](https://github.com/duke-git/lancet/blob/main/maputil/concurrentmap.go)
 -   [https://github.com/duke-git/lancet/blob/main/maputil/orderedmap.go](https://github.com/duke-git/lancet/blob/main/maputil/orderedmap.go)

-
 <div STYLE="page-break-after: always;"></div>

 ## Example:
@@ -1111,7 +1110,7 @@ Translate the key and value of the map into two slices that are sorted according
 <b>Signature:</b>

 ```go
-func ToSortedSlicesWithComparator[K comparable, V any](m map[K]V, comparator func(a, b K) bool) ([]K, []V) 
+func ToSortedSlicesWithComparator[K comparable, V any](m map[K]V, comparator func(a, b K) bool) ([]K, []V)
 ```

 <b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/0nlPo6YLdt3)</span></b>
@@ -1275,7 +1274,6 @@ func main() {
 }
 ```

-
 ### <span id="OrderedMap_Delete">OrderedMap_Delete</span>

 <p>Deletes the key-value pair for the given key.</p>
@@ -1838,7 +1836,7 @@ func main() {
    fmt.Println(om.Elements())

    // Output:
-    // [{a 1} {b 2} {c 3}] 
+    // [{a 1} {b 2} {c 3}]
 }
 ```

@@ -2294,7 +2292,7 @@ func main() {
 <b>Signature:</b>

 ```go
-func GetOrDefault[K comparable, V any](m map[K]V, key K, defaultValue V) V 
+func GetOrDefault[K comparable, V any](m map[K]V, key K, defaultValue V) V
 ```

 <b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/99QjSYSBdiM)</span></b>
@@ -2337,7 +2335,7 @@ func main() {
 func FindValuesBy[K comparable, V any](m map[K]V, predicate func(key K, value V) bool) []V
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/bvNwNBZDm6v)</span></b>

 ```go
 package main
@@ -2364,4 +2362,4 @@ func main() {
    // Output:
    // [b d]
 }
-```
+```
--- a/docs/en/api/packages/netutil.md
+++ b/docs/en/api/packages/netutil.md
@@ -51,7 +51,6 @@ import (
 -   [BuildUrl](#BuildUrl)
 -   [AddQueryParams](#AddQueryParams)

-
 <div STYLE="page-break-after: always;"></div>

 <link rel="stylesheet" type="text/css" href="/styles/api_doc.css">
@@ -1045,7 +1044,7 @@ func main() {
 func BuildUrl(scheme, host, path string, query map[string][]string) (string, error)
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/JLXl1hZK7l4)</span></b>

 ```go
 package main
@@ -1085,7 +1084,7 @@ func main() {
 func AddQueryParams(urlStr string, params map[string][]string) (string, error)
 ```

-<b>Example:<span style="float:right;display:inline-block;">[Run](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[Run](https://go.dev/play/p/JLXl1hZK7l4)</span></b>

 ```go
 package main
@@ -1113,4 +1112,4 @@ func main() {
    // https://example.com/query?a=foo&a=bar&b=baz
    // <nil>
 }
-```
+```
--- a/docs/en/api/packages/validator.md
+++ b/docs/en/api/packages/validator.md
@@ -836,7 +836,7 @@ func main() {
 func IsAlphaNumeric(s string) bool
 ```

-<b>Example:<span style="float:right;display:inline-block">[Run](https://go.dev/play/p/todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block">[Run](https://go.dev/play/p/RHeESLrLg9c)</span></b>

 ```go
 import (
--- a/fileutil/file.go
+++ b/fileutil/file.go
@@ -190,7 +190,7 @@ func RemoveFile(path string, onDelete ...func(path string)) error {
 }

 // RemoveDir remove the path directory.
-// Play: todo
+// Play: https://go.dev/play/p/Oa6KnPek2uy
 func RemoveDir(path string, onDelete ...func(path string)) error {
 	info, err := os.Stat(path)
 	if err != nil {
--- a/function/predicate.go
+++ b/function/predicate.go
@@ -18,7 +18,7 @@ func And[T any](predicates ...func(T) bool) func(T) bool {
 }

 // Nand returns a composed predicate that represents the logical NAND of a list of predicates.
-// It evaluates to true only if all predicates evaluate to false for the given value.
+// It evaluates to false only if all predicates evaluate to true for the given value.
 // Play: https://go.dev/play/p/Rb-FdNGpgSO
 func Nand[T any](predicates ...func(T) bool) func(T) bool {
 	if len(predicates) < 2 {
@@ -26,11 +26,11 @@ func Nand[T any](predicates ...func(T) bool) func(T) bool {
 	}
 	return func(value T) bool {
 		for _, predicate := range predicates {
-			if predicate(value) {
-				return false // Short-circuit on the first true predicate
+			if !predicate(value) {
+				return true // Short-circuit on the first false predicate
 			}
 		}
-		return true // True if all predicates are false
+		return false // False if all predicates are true
 	}
 }

--- a/function/predicate_example_test.go
+++ b/function/predicate_example_test.go
@@ -65,7 +65,7 @@ func ExampleNand() {

 	// Output:
 	// false
-	// false
+	// true
 	// true
 }

--- a/function/predicate_test.go
+++ b/function/predicate_test.go
@@ -65,7 +65,7 @@ func TestPredicatesNandPure(t *testing.T) {
 	)

 	assert.ShouldBeFalse(isNumericAndLength5("12345"))
-	assert.ShouldBeFalse(isNumericAndLength5("1234"))
+	assert.ShouldBeTrue(isNumericAndLength5("1234"))
 	assert.ShouldBeTrue(isNumericAndLength5("abcdef"))
 }

--- a/maputil/map.go
+++ b/maputil/map.go
@@ -668,7 +668,7 @@ func GetOrDefault[K comparable, V any](m map[K]V, key K, defaultValue V) V {
 }

 // FindValuesBy returns a slice of values from the map that satisfy the given predicate function.
-// Play: todo
+// Play: https://go.dev/play/p/bvNwNBZDm6v
 func FindValuesBy[K comparable, V any](m map[K]V, predicate func(key K, value V) bool) []V {
 	result := make([]V, 0)

--- a/netutil/net.go
+++ b/netutil/net.go
@@ -309,7 +309,7 @@ func IsTelnetConnected(host string, port string) bool {
 }

 // BuildUrl builds a URL from the given params.
-// Play: todo
+// Play: https://go.dev/play/p/JLXl1hZK7l4
 func BuildUrl(scheme, host, path string, query map[string][]string) (string, error) {
 	if err := validateScheme(scheme); err != nil {
 		return "", err
@@ -365,13 +365,13 @@ func validateScheme(scheme string) error {
 	return nil
 }

-var hostRegex = regexp.MustCompile(`^([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])(\.[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])*$`)
+var hostRegex = regexp.MustCompile(`^([a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9]?)(\.[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9]?)+$`)
 var pathRegex = regexp.MustCompile(`^\/([a-zA-Z0-9%_-]+(?:\/[a-zA-Z0-9%_-]+)*)$`)

 var alphaNumericRegex = regexp.MustCompile(`^[a-zA-Z0-9]+$`)

 // AddQueryParams adds query parameters to the given URL.
-// Play: todoå
+// Play: https://go.dev/play/p/JLXl1hZK7l4
 func AddQueryParams(urlStr string, params map[string][]string) (string, error) {
 	parsedUrl, err := url.Parse(urlStr)
 	if err != nil {
--- a/netutil/net_test.go
+++ b/netutil/net_test.go
@@ -196,6 +196,14 @@ func TestBuildUrl(t *testing.T) {
 			want:    "https://www.test.com/path%20with%20spaces",
 			wantErr: false,
 		},
+		{
+			scheme:  "https",
+			host:    "my.api.edu.cn",
+			path:    "/api",
+			query:   nil,
+			want:    "https://my.api.edu.cn/api",
+			wantErr: false,
+		},
 	}

 	for _, tt := range tests {
--- a/retry/retry.go
+++ b/retry/retry.go
@@ -128,16 +128,19 @@ func Retry(retryFunc RetryFunc, opts ...Option) error {
 	}

 	var i uint
+	var lastErr error
 	for i < config.retryTimes {
-		err := retryFunc()
-		if err != nil {
+		lastErr = retryFunc()
+		if lastErr == nil {
+			return nil
+		}
+
+		if i < config.retryTimes-1 { // Only wait if it's not the last retry
 			select {
 			case <-time.After(config.backoffStrategy.CalculateInterval()):
 			case <-config.context.Done():
 				return errors.New("retry is cancelled")
 			}
-		} else {
-			return nil
 		}
 		i++
 	}
@@ -146,7 +149,7 @@ func Retry(retryFunc RetryFunc, opts ...Option) error {
 	lastSlash := strings.LastIndex(funcPath, "/")
 	funcName := funcPath[lastSlash+1:]

-	return fmt.Errorf("function %s run failed after %d times retry", funcName, i)
+	return fmt.Errorf("function %s run failed after %d times retry, last error: %w", funcName, i, lastErr)
 }

 // BackoffStrategy is an interface that defines a method for calculating backoff intervals.
--- a/retry/retry_example_test.go
+++ b/retry/retry_example_test.go
@@ -118,7 +118,7 @@ func ExampleRetryTimes() {
 	}

 	// Output:
-	// function retry.ExampleRetryTimes.func1 run failed after 2 times retry
+	// function retry.ExampleRetryTimes.func1 run failed after 2 times retry, last error: error occurs
 }

 func ExampleRetry() {
--- a/retry/retry_test.go
+++ b/retry/retry_test.go
@@ -15,14 +15,16 @@ func TestRetryFailed(t *testing.T) {
 	assert := internal.NewAssert(t, "TestRetryFailed")

 	var number int
+	customError := errors.New("error occurs")
 	increaseNumber := func() error {
 		number++
-		return errors.New("error occurs")
+		return customError
 	}

 	err := Retry(increaseNumber, RetryWithLinearBackoff(time.Microsecond*50))

 	assert.IsNotNil(err)
+	assert.Equal(errors.Is(err, customError), true)
 	assert.Equal(DefaultRetryTimes, number)
 }

--- a/slice/slice.go
+++ b/slice/slice.go
@@ -507,19 +507,17 @@ func flattenRecursive(value reflect.Value, result reflect.Value) reflect.Value {
 }

 // ForEach iterates over elements of slice and invokes function for each element.
-// Play: https://go.dev/play/p/DrPaa4YsHRF
 func ForEach[T any](slice []T, iteratee func(index int, item T)) {
-	for i := 0; i < len(slice); i++ {
-		iteratee(i, slice[i])
+	for idx, elem := range slice {
+		iteratee(idx, elem)
 	}
 }

 // ForEachWithBreak iterates over elements of slice and invokes function for each element,
-// when iteratee return false, will break the for each loop.
-// Play: https://go.dev/play/p/qScs39f3D9W
+// when function return false, will break the for each loop.
 func ForEachWithBreak[T any](slice []T, iteratee func(index int, item T) bool) {
-	for i := 0; i < len(slice); i++ {
-		if !iteratee(i, slice[i]) {
+	for idx, elem := range slice {
+		if !iteratee(idx, elem) {
 			break
 		}
 	}
@@ -1465,36 +1463,28 @@ func Random[T any](slice []T) (val T, idx int) {
 	return slice[idx], idx
 }

-// RightPadding adds padding to the right end of a slice.
+// RightPadding returns a copy of the slice padding the given value to the right end of a slice.
+// If paddingLength is zero or less, the function returns a copy of the slice.
 // Play: https://go.dev/play/p/0_2rlLEMBXL
 func RightPadding[T any](slice []T, paddingValue T, paddingLength int) []T {
-	if paddingLength == 0 {
-		return slice
+	suffix := []T{}
+	if paddingLength > 0 {
+		suffix = repeat([]T{paddingValue}, paddingLength)
 	}
-	for i := 0; i < paddingLength; i++ {
-		slice = append(slice, paddingValue)
-	}
-	return slice
+	padded := concat(slice, suffix)
+	return padded
 }

-// LeftPadding adds padding to the left begin of a slice.
+// LeftPadding returns a copy of the slice padding the given value to the left begin of a slice.
+// If paddingLength is zero or less, the function returns a copy of the slice.
 // Play: https://go.dev/play/p/jlQVoelLl2k
 func LeftPadding[T any](slice []T, paddingValue T, paddingLength int) []T {
-	if paddingLength == 0 {
-		return slice
+	prefix := []T{}
+	if paddingLength > 0 {
+		prefix = repeat([]T{paddingValue}, paddingLength)
 	}
-
-	paddedSlice := make([]T, len(slice)+paddingLength)
-	i := 0
-	for ; i < paddingLength; i++ {
-		paddedSlice[i] = paddingValue
-	}
-	for j := 0; j < len(slice); j++ {
-		paddedSlice[i] = slice[j]
-		i++
-	}
-
-	return paddedSlice
+	padded := concat(prefix, slice)
+	return padded
 }

 // Frequency counts the frequency of each element in the slice.
--- a/slice/slice_concurrent.go
+++ b/slice/slice_concurrent.go
@@ -125,6 +125,8 @@ func ReduceConcurrent[T any](slice []T, initial T, reducer func(index int, item
 func FilterConcurrent[T any](slice []T, predicate func(index int, item T) bool, numThreads int) []T {
 	result := make([]T, 0)
 	var wg sync.WaitGroup
+	var mu sync.Mutex
+

 	workerChan := make(chan struct{}, numThreads)

@@ -137,7 +139,9 @@ func FilterConcurrent[T any](slice []T, predicate func(index int, item T) bool,
 			defer wg.Done()

 			if predicate(i, v) {
+				mu.Lock()
 				result = append(result, v)
+				mu.Unlock()
 			}

 			<-workerChan
--- a/slice/slice_example_test.go
+++ b/slice/slice_example_test.go
@@ -831,7 +831,7 @@ func ExampleUniqueByComparator() {
 	})

 	caseInsensitiveStrings := UniqueByComparator([]string{"apple", "banana", "Apple", "cherry", "Banana", "date"}, func(item string, other string) bool {
-		return strings.ToLower(item) == strings.ToLower(other)
+		return strings.EqualFold(item, other)
 	})

 	fmt.Println(uniqueNums)
--- a/slice/slice_internal.go
+++ b/slice/slice_internal.go
@@ -2,6 +2,7 @@ package slice

 import (
 	"fmt"
+	"math/bits"
 	"reflect"

 	"golang.org/x/exp/constraints"
@@ -96,3 +97,71 @@ func partitionAnySlice[T any](slice []T, lowIndex, highIndex int, less func(a, b
 func swap[T any](slice []T, i, j int) {
 	slice[i], slice[j] = slice[j], slice[i]
 }
+
+// `repeat` returns a new slice that repeats the provided slice the given number of
+// times. The result has length and capacity (len(x) * count). The result is never nil.
+// Repeat panics if count is negative or if the result of (len(x) * count)  overflows.
+//
+// repeat has been provided in the standard lib within the package `slices` under the
+// name Repeat since GO version 1.21 onwards. As lancet commits to compatibility with GO
+// 1.18 onwards, we implement the functionality as an internal function.
+func repeat[S ~[]E, E any](x S, count int) S {
+	if count < 0 {
+		panic("count cannot be negative")
+	}
+
+	const maxInt = ^uint(0) >> 1
+	hi, lo := bits.Mul(uint(len(x)), uint(count))
+	if hi > 0 || lo > maxInt {
+		panic("the result of (len(x) * count) overflows")
+	}
+
+	newslice := make(S, int(lo)) // lo = len(x) * count
+	n := copy(newslice, x)
+	for n < len(newslice) {
+		n += copy(newslice[n:], newslice[:n])
+	}
+	return newslice
+}
+
+// concat returns a new slice concatenating the passed in slices.
+//
+// concat has been provided in the standard lib within the package `slices` under the
+// name Concat since GO version 1.21 onwards. As lancet commits to compatibility with GO
+// 1.18 onwards, we implement the functionality as an internal function.
+func concat[S ~[]E, E any](slices ...S) S {
+	size := 0
+	for _, s := range slices {
+		size += len(s)
+		if size < 0 {
+			panic("len out of range")
+		}
+	}
+	// Use Grow, not make, to round up to the size class:
+	// the extra space is otherwise unused and helps
+	// callers that append a few elements to the result.
+	newslice := grow[S](nil, size)
+	for _, s := range slices {
+		newslice = append(newslice, s...)
+	}
+	return newslice
+}
+
+// grow increases the slice's capacity, if necessary, to guarantee space for
+// another n elements. After grow(n), at least n elements can be appended
+// to the slice without another allocation. If n is negative or too large to
+// allocate the memory, grow panics.
+//
+// grow has been provided in the standard lib within the package `slices` under the
+// name Grow since GO version 1.21 onwards. As lancet commits to compatibility with GO
+// 1.18 onwards, we implement the functionality as an internal function.
+func grow[S ~[]E, E any](s S, n int) S {
+	if n < 0 {
+		panic("cannot be negative")
+	}
+	if n -= cap(s) - len(s); n > 0 {
+		// This expression allocates only once.
+		s = append(s[:cap(s)], make([]E, n)...)[:len(s)]
+	}
+	return s
+}
--- a/slice/slice_test.go
+++ b/slice/slice_test.go
@@ -1008,7 +1008,7 @@ func TestUniqueByComparator(t *testing.T) {
 	t.Run("case-insensitive string comparison", func(t *testing.T) {
 		stringSlice := []string{"apple", "banana", "Apple", "cherry", "Banana", "date"}
 		caseInsensitiveComparator := func(item, other string) bool {
-			return strings.ToLower(item) == strings.ToLower(other)
+			return strings.EqualFold(item, other)
 		}

 		result := UniqueByComparator(stringSlice, caseInsensitiveComparator)
@@ -1756,6 +1756,20 @@ func TestRightPaddingAndLeftPadding(t *testing.T) {

 	padded := LeftPadding(RightPadding(nums, 0, 3), 0, 3)
 	assert.Equal([]int{0, 0, 0, 1, 2, 3, 4, 5, 0, 0, 0}, padded)
+
+	// Test with negative padding length
+	paddedNegative := LeftPadding(RightPadding(nums, 0, -3), 0, -3)
+	assert.Equal([]int{1, 2, 3, 4, 5}, paddedNegative)
+
+	// Test with empty slice
+	empty := []int{}
+	paddedEmpty := LeftPadding(RightPadding(empty, 0, 3), 0, 3)
+	assert.Equal([]int{0, 0, 0, 0, 0, 0}, paddedEmpty)
+
+	// Test with nil
+	nilSlice := []int(nil)
+	paddedNil := LeftPadding(RightPadding(nilSlice, 0, 3), 0, 3)
+	assert.Equal([]int{0, 0, 0, 0, 0, 0}, paddedNil)
 }

 func TestUniqueByConcurrent(t *testing.T) {
--- a/validator/validator.go
+++ b/validator/validator.go
@@ -39,10 +39,26 @@ var (
 	visaMatcher            *regexp.Regexp = regexp.MustCompile(`^4[0-9]{12}(?:[0-9]{3})?$`)
 	masterCardMatcher      *regexp.Regexp = regexp.MustCompile(`^5[1-5][0-9]{14}$`)
 	americanExpressMatcher *regexp.Regexp = regexp.MustCompile(`^3[47][0-9]{13}$`)
-	unionPay               *regexp.Regexp = regexp.MustCompile("^62[0-5]\\d{13,16}$")
-	chinaUnionPay          *regexp.Regexp = regexp.MustCompile(`^62[0-9]{14,17}$`)
+	unionPayMatcher        *regexp.Regexp = regexp.MustCompile(`^62[0-5]\\d{13,16}$`)
+	chinaUnionPayMatcher   *regexp.Regexp = regexp.MustCompile(`^62[0-9]{14,17}$`)
 )

+var passportMatcher = map[string]*regexp.Regexp{
+	"CN": regexp.MustCompile(`^P\d{9}$`),
+	"US": regexp.MustCompile(`^\d{9}$`),
+	"GB": regexp.MustCompile(`^[A-Z0-9]{9}$`),
+	"RU": regexp.MustCompile(`^[A-Z]{2}\d{7}$`),
+	"DE": regexp.MustCompile(`^\d{9}$`),
+	"FR": regexp.MustCompile(`^[A-Z]{2}\d{7}$`),
+	"JP": regexp.MustCompile(`^\d{8}$`),
+	"IT": regexp.MustCompile(`^\d{8}$`),
+	"AU": regexp.MustCompile(`^[A-Z]{1}\d{8}$`),
+	"BR": regexp.MustCompile(`^\d{9}$`),
+	"IN": regexp.MustCompile(`^[A-Z]{1,2}\d{7}$`),
+	"HK": regexp.MustCompile(`^M\d{8}$`),
+	"MO": regexp.MustCompile(`^[A-Z]\d{8}$`),
+}
+
 var (
 	// Identity card formula
 	factor = [17]int{7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2}
@@ -183,7 +199,7 @@ func IsJSON(str string) bool {
 }

 // IsAlphaNumeric check if the string is alphanumeric.
-// Play: todo
+// Play: https://go.dev/play/p/RHeESLrLg9c
 func IsAlphaNumeric(s string) bool {
 	return alphaNumericMatcher.MatchString(s)
 }
@@ -460,12 +476,13 @@ func IsZeroValue(value any) bool {
 func IsGBK(data []byte) bool {
 	i := 0
 	for i < len(data) {
-		if data[i] <= 0xff {
+		if data[i] < 0x81 {
 			i++
 			continue
 		} else {
 			if data[i] >= 0x81 &&
 				data[i] <= 0xfe &&
+				i+1 < len(data) &&
 				data[i+1] >= 0x40 &&
 				data[i+1] <= 0xfe &&
 				data[i+1] != 0xf7 {
@@ -562,11 +579,22 @@ func IsAmericanExpress(v string) bool {
 // IsUnionPay check if a give string is a valid union pay nubmer or not.
 // Play: https://go.dev/play/p/CUHPEwEITDf
 func IsUnionPay(v string) bool {
-	return unionPay.MatchString(v)
+	return unionPayMatcher.MatchString(v)
 }

 // IsChinaUnionPay check if a give string is a valid china union pay nubmer or not.
 // Play: https://go.dev/play/p/yafpdxLiymu
 func IsChinaUnionPay(v string) bool {
-	return chinaUnionPay.MatchString(v)
+	return chinaUnionPayMatcher.MatchString(v)
+}
+
+// IsPassport checks if the passport number is valid for a given country.
+// country is a two-letter country code (ISO 3166-1 alpha-2).
+// Play: todo
+func IsPassport(passport, country string) bool {
+	if matcher, ok := passportMatcher[country]; ok {
+		return matcher.MatchString(passport)
+	}
+
+	return false
 }
--- a/validator/validator_example_test.go
+++ b/validator/validator_example_test.go
@@ -683,3 +683,21 @@ func ExampleIsAlphaNumeric() {
 	// true
 	// false
 }
+
+func ExampleIsPassport() {
+	result1 := IsPassport("P123456789", "CN")
+	result2 := IsPassport("123456789", "US")
+	result3 := IsPassport("AB1234567", "RU")
+	result4 := IsPassport("123456789", "CN")
+
+	fmt.Println(result1)
+	fmt.Println(result2)
+	fmt.Println(result3)
+	fmt.Println(result4)
+
+	// Output:
+	// true
+	// true
+	// true
+	// false
+}
--- a/validator/validator_test.go
+++ b/validator/validator_test.go
@@ -924,3 +924,33 @@ func TestIsAlphaNumeric(t *testing.T) {
 		assert.Equal(tt.expected, IsAlphaNumeric(tt.input))
 	}
 }
+
+func TestIsPassport(t *testing.T) {
+	t.Parallel()
+
+	assert := internal.NewAssert(t, "TestIsPassport")
+
+	tests := []struct {
+		passport    string
+		countryCode string
+		expected    bool
+	}{
+		{"P123456789", "CN", true},
+		{"123456789", "US", true},
+		{"A12345678", "GB", true},
+		{"AB1234567", "FR", true},
+		{"12345678", "JP", true},
+		{"M12345678", "HK", true},
+		{"A12345678", "MO", true},
+		{"A1234567", "IN", true},
+		{"12345678", "IT", true},
+		{"A12345678", "AU", true},
+		{"123456789", "BR", true},
+		{"AB1234567", "RU", true},
+		{"123456789", "CN", false},
+	}
+
+	for _, tt := range tests {
+		assert.Equal(tt.expected, IsPassport(tt.passport, tt.countryCode))
+	}
+}
Author	SHA1	Message	Date
dudaodong	385e64cc52	feat: add IsPassport	2025-08-13 14:01:24 +08:00
dudaodong	be45a259db	Merge branch 'v2' into rc	2025-08-13 11:24:27 +08:00
Idichekop	6f703fe577	fix(package): [slice] Fix RigthPadding and LeftPadding (#322 ) * Fixes in RightPadding and LeftPadding * Tests cover padding empty, nil, and negative lenght * Implemented repeat, concat, and grow functionalities as internal.	2025-08-04 10:45:29 +08:00
Idichekop	cb8d93c499	Simple refactor of ForEach functions (#323 )	2025-07-30 14:28:27 +08:00
idichekop	ae1014c572	fix(package):[function] Corrected behaviour of Nand predicate (#319 )	2025-07-22 10:08:50 +08:00
dudaodong	d5b9e67330	fix: fix go lint issue	2025-07-07 11:18:34 +08:00
dudaodong	a81403766f	feat: add ToPointers, FromPointer, FromPointers	2025-07-07 11:16:44 +08:00
dudaodong	6307d624cb	Merge branch 'rc' of github.com:duke-git/lancet into rc	2025-07-07 10:18:37 +08:00
dudaodong	2f9f8b3f3d	release v2.3.7	2025-07-07 10:18:05 +08:00
jake	db5d9407bb	Update slice_concurrent.go (#316 )	2025-06-25 15:33:07 +08:00
dudaodong	55ee000684	merge rc	2025-06-23 11:32:51 +08:00
dudaodong	fc7f2509ca	fix: fix issue #314	2025-06-23 11:31:54 +08:00
残念	a97d27c32e	perf(retry): the error returned by the Retry function contains the last error (#315 )	2025-06-23 11:04:54 +08:00
Grigoris Thanasoulas	c176ba378e	arrayqueue: Fix bug in Back() method (#313 )	2025-06-20 23:05:14 +08:00
dudaodong	a3a24fc381	doc: update doc styles	2025-06-06 14:33:54 +08:00
Axiss	9caf2ffb1c	fix one typo in doc (#310 )	2025-06-03 10:10:51 +08:00
残念	1a5c31fd02	perf(retry): remove the waiting time after the last retry (#309 )	2025-06-03 09:57:29 +08:00
dudaodong	c175b202de	doc: update cryptordoc	2025-05-29 14:04:09 +08:00
dudaodong	d818219672	doc: update cryptordoc	2025-05-29 14:01:12 +08:00
dudaodong	539078e6b8	doc: add play ground demo for v2.3.6	2025-05-29 11:50:17 +08:00