doc: update for release v2.3.5

2026-02-04 12:52:28 +08:00 · 2025-03-07 14:19:07 +08:00
parent 8120c4db78
commit 6dfdadd34e
18 changed files with 147 additions and 128 deletions
--- a/README.md
+++ b/README.md
@@ -508,22 +508,22 @@ import "github.com/duke-git/lancet/v2/datetime"
    [[play](https://go.dev/play/p/nT1heB1KUUK)]
 -   **<big>AddWeek</big>** : add or sub week to time.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#AddWeek)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/M9TqdMiaA2p)]
 -   **<big>AddMonth</big>** : add or sub months to time.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#AddMonth)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/DLoiOnpLvsN)]
 -   **<big>AddYear</big>** : add or sub year to the time.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#AddYear)]
    [[play](https://go.dev/play/p/MqW2ujnBx10)]
 -   **<big>AddDaySafe</big>** : add or sub days to the time and ensure that the returned date does not exceed the valid date of the target year and month.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#AddDaySafe)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/JTohZFpoDJ3)]
 -   **<big>AddMonthSafe</big>** : add or sub months to the time and ensure that the returned date does not exceed the valid date of the target year and month.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#AddMonthSafe)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/KLw0lo6mbVW)]
 -   **<big>AddYearSafe</big>** : Add or sub years to the time and ensure that the returned date does not exceed the valid date of the target year and month.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#AddYearSafe)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/KVGXWZZ54ZH)]
 -   **<big>BeginOfMinute</big>** : return the date time at the begin of minute of specific date.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/datetime.md#BeginOfMinute)]
    [[play](https://go.dev/play/p/ieOLVJ9CiFT)]
@@ -705,34 +705,34 @@ import "github.com/duke-git/lancet/v2/eventbus"

 -   **<big>NewEventBus</big>** : Create an EventBus instance.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#NewEventBus)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/gHbOPV_NUOJ)]
 -   **<big>Subscribe</big>** : subscribes to an event with a specific event topic and listener function.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#Subscribe)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/EYGf_8cHei-)]
 -   **<big>Unsubscribe</big>** : unsubscribes from an event with a specific event topic and listener function.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#Unsubscribe)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/Tmh7Ttfvprf)]
 -   **<big>Publish</big>** : publishes an event with a specific event topic and data payload.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#Publish)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/gHTtVexFSH9)]
 -   **<big>ClearListeners</big>** : clears all the listeners.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#ClearListeners)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/KBfBYlKPgqD)]
 -   **<big>ClearListenersByTopic</big>** : clears all the listeners by topic.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#ClearListenersByTopic)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/gvMljmJOZmU)]
 -   **<big>GetListenersCount</big>** : returns the number of listeners for a specific event topic.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#GetListenersCount)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/8VPJsMQgStM)]
 -   **<big>GetAllListenersCount</big>** : returns the total number of all listeners.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#GetAllListenersCount)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/PUlr0xcpEOz)]
 -   **<big>GetEvents</big>** : returns all the events topics.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#GetEvents)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/etgjjcOtAjX)]
 -   **<big>SetErrorHandler</big>** : sets the error handler function.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/eventbus.md#SetErrorHandler)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/gmB0gnFe5mc)]

 <h3 id="fileutil"> 9. Fileutil package implements some basic functions for file operations. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

@@ -1479,7 +1479,7 @@ import "github.com/duke-git/lancet/v2/slice"
    [[play](https://go.dev/play/p/b9iygtgsHI1)]
 -   **<big>EqualUnordered</big>** : Checks if two slices are equal: the same length and all elements value are equal (unordered).
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#EqualUnordered)]
-    [[play](todo)]
+    [[play](https://go.dev/play/p/n8fSc2w8ZgX)]
 -   **<big>Every</big>** : return true if all of the values in the slice pass the predicate function.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#Every)]
    [[play](https://go.dev/play/p/R8U6Sl-j8cD)]
@@ -1581,7 +1581,7 @@ import "github.com/duke-git/lancet/v2/slice"
    [[play](https://go.dev/play/p/YHvhnWGU3Ge)]
 -   **<big>ShuffleCopy</big>** : return a new slice with elements shuffled.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#ShuffleCopy)]
-    [[play](todo)]
+    [[play](https://go.dev/play/p/vqDa-Gs1vT0)]
 -   **<big>IsAscending</big>** : Checks if a slice is ascending order.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/slice.md#IsAscending)]
    [[play](https://go.dev/play/p/9CtsFjet4SH)]
@@ -1730,7 +1730,7 @@ import "github.com/duke-git/lancet/v2/stream"
    [[play](https://go.dev/play/p/A8_zkJnLHm4)]
 -   **<big>ReverseCopy</big>** : returns a new slice of element order is reversed to the given slice.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/stream.md#ReverseCopy)]
-    [[play](todo)]
+    [[play](https://go.dev/play/p/c9arEaP7Cg-)]
 -   **<big>Range</big>** : returns a stream whose elements are in the range from start(included) to end(excluded) original stream.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/stream.md#Range)]
    [[play](https://go.dev/play/p/indZY5V2f4j)]
@@ -1962,7 +1962,7 @@ import "github.com/duke-git/lancet/v2/strutil"
    [[play](https://go.dev/play/p/Ay9UIk7Rum9)]
 -   **<big>FindAllOccurrences</big>** : Returns the positions of all occurrences of a substring in a string.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/strutil.md#FindAllOccurrences)]
-    [[play](todo)]
+    [[play](https://go.dev/play/p/uvyA6azGLB1)]

 <h3 id="system"> 22. System package contain some functions about os, runtime, shell command. &nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">index</a></h3>

@@ -2218,7 +2218,7 @@ import "github.com/duke-git/lancet/v2/validator"
    [[play](https://go.dev/play/p/AHA0r0AzIdC)]
 -   **<big>IsIpPort</big>** : check if the string is ip:port.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/validator.md#IsIpPort)]
-    [[play](todo)]
+    [[play](https://go.dev/play/p/xUmls_b9L29)]
 -   **<big>IsStrongPassword</big>** : check if the string is strong password.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/en/api/packages/validator.md#IsStrongPassword)]
    [[play](https://go.dev/play/p/QHdVcSQ3uDg)]
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -509,22 +509,22 @@ import "github.com/duke-git/lancet/v2/datetime"
    [[play](https://go.dev/play/p/nT1heB1KUUK)]
 -   **<big>AddWeek</big>** : 将日期加/减星期数.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#AddWeek)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/M9TqdMiaA2p)]
 -   **<big>AddMonth</big>** : 将日期加/减月数.
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#AddMonth)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/DLoiOnpLvsN)]
 -   **<big>AddYear</big>** : 将日期加/减分年数。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#AddYear)]
    [[play](https://go.dev/play/p/MqW2ujnBx10)]
 -   **<big>AddDaySafe</big>** : 增加/减少指定的天数，并确保日期是有效日期。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#AddDaySafe)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/JTohZFpoDJ3)]
 -   **<big>AddMonthSafe</big>** : 增加/减少指定的月份，并确保日期是有效日期。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#AddMonthSafe)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/KLw0lo6mbVW)]
 -   **<big>AddYearSafe</big>** : 增加/减少指定的年份，并确保日期是有效日期。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#AddYearSafe)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/KVGXWZZ54ZH)]
 -   **<big>BeginOfMinute</big>** : 返回指定时间的分钟开始时间。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/datetime.md#BeginOfMinute)]
    [[play](https://go.dev/play/p/ieOLVJ9CiFT)]
@@ -704,34 +704,34 @@ import "github.com/duke-git/lancet/v2/eventbus"

 -   **<big>NewEventBus</big>** : 创建EventBus实例。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#NewEventBus)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/gHbOPV_NUOJ)]
 -   **<big>Subscribe</big>** : 订阅具有特定事件主题和监听函数的事件。支持异步，事件优先级，事件过滤器。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#Subscribe)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/EYGf_8cHei-)]
 -   **<big>Unsubscribe</big>** : 取消订阅具有特定事件主题的事件。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#Unsubscribe)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/Tmh7Ttfvprf)]
 -   **<big>Publish</big>** : 发布一个带有特定事件主题和数据负载的事件。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#Publish)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/gHTtVexFSH9)]
 -   **<big>ClearListeners</big>** : 清空所有事件监听器。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#ClearListeners)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/KBfBYlKPgqD)]
 -   **<big>ClearListenersByTopic</big>** : 清空特定事件监听器。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#ClearListenersByTopic)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/gvMljmJOZmU)]
 -   **<big>GetListenersCount</big>** : 获取特定事件的监听器数量。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#GetListenersCount)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/8VPJsMQgStM)]
 -   **<big>GetAllListenersCount</big>** : 获取所有事件的监听器数量。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#GetAllListenersCount)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/PUlr0xcpEOz)]
 -   **<big>GetEvents</big>** : 获取所有事件的topic。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#GetEvents)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/etgjjcOtAjX)]
 -   **<big>SetErrorHandler</big>** : 设置事件的错误处理函数。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/eventbus.md#SetErrorHandler)]
-    [[play](https://go.dev/play/p/todo)]
+    [[play](https://go.dev/play/p/gmB0gnFe5mc)]

 <h3 id="fileutil"> 10. fileutil 包含文件基本操作。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>

@@ -1477,7 +1477,7 @@ import "github.com/duke-git/lancet/v2/slice"
    [[play](https://go.dev/play/p/b9iygtgsHI1)]
 -   **<big>EqualUnordered</big>** : 检查两个切片是否相等，元素数量相同，值相等，不考虑元素顺序。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#EqualUnordered)]
-    [[play](todo)]
+    [[play](https://go.dev/play/p/n8fSc2w8ZgX)]
 -   **<big>Every</big>** : 如果切片中的所有值都通过谓词函数，则返回 true。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#Every)]
    [[play](https://go.dev/play/p/R8U6Sl-j8cD)]
@@ -1555,7 +1555,7 @@ import "github.com/duke-git/lancet/v2/slice"
    [[play](https://go.dev/play/p/8uI8f1lwNrQ)]
 -   **<big>ReverseCopy</big>** : 反转切片中的元素顺序, 不改变原slice。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/stream.md#ReverseCopy)]
-    [[play](todo)]
+    [[play](https://go.dev/play/p/c9arEaP7Cg-)]
 -   **<big>Reduce<sup>deprecated</sup></big>** : 将切片中的元素依次运行 iteratee 函数，返回运行结果。(废弃：建议使用 ReduceBy)
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#Reduce)]
    [[play](https://go.dev/play/p/_RfXJJWIsIm)]
@@ -1582,7 +1582,7 @@ import "github.com/duke-git/lancet/v2/slice"
    [[play](https://go.dev/play/p/YHvhnWGU3Ge)]
 -   **<big>ShuffleCopy</big>** : 随机打乱切片中的元素顺序, 不改变原切片。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#ShuffleCopy)]
-    [[play](todo)]
+    [[play](https://go.dev/play/p/vqDa-Gs1vT0)]
 -   **<big>IsAscending</big>** : 检查切片元素是否按升序排列。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/slice.md#IsAscending)]
    [[play](https://go.dev/play/p/9CtsFjet4SH)]
@@ -1962,7 +1962,7 @@ import "github.com/duke-git/lancet/v2/strutil"
    [[play](https://go.dev/play/p/Ay9UIk7Rum9)]
 -   **<big>FindAllOccurrences</big>** : 返回子字符串在字符串中所有出现的位置。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/strutil.md#FindAllOccurrences)]
-    [[play](todo)]
+    [[play](https://go.dev/play/p/uvyA6azGLB1)]


 <h3 id="system"> 23. system 包含 os, runtime, shell command 的相关函数。&nbsp; &nbsp; &nbsp; &nbsp;<a href="#index">回到目录</a></h3>
@@ -2220,7 +2220,7 @@ import "github.com/duke-git/lancet/v2/validator"
    [[play](https://go.dev/play/p/AHA0r0AzIdC)]
 -   **<big>IsIpPort</big>** : 检查字符串是否是ip:port格式。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/validator.md#IsIpPort)]
-    [[play](todo)]
+    [[play](https://go.dev/play/p/xUmls_b9L29)]
 -   **<big>IsStrongPassword</big>** : 验证字符串是否是强密码：（字母+数字+特殊字符)。
    [[doc](https://github.com/duke-git/lancet/blob/main/docs/api/packages/validator.md#IsStrongPassword)]
    [[play](https://go.dev/play/p/QHdVcSQ3uDg)]
--- a/datetime/datetime.go
+++ b/datetime/datetime.go
@@ -83,13 +83,13 @@ func AddDay(t time.Time, days int64) time.Time {
 }

 // AddWeek add or sub weeks to the time.
-// play: todo
+// play: https://go.dev/play/p/M9TqdMiaA2p
 func AddWeek(t time.Time, weeks int64) time.Time {
 	return t.Add(7 * 24 * time.Hour * time.Duration(weeks))
 }

 // AddMonth add or sub months to the time.
-// Play: todo
+// Play: https://go.dev/play/p/DLoiOnpLvsN
 func AddMonth(t time.Time, months int64) time.Time {
 	return t.AddDate(0, int(months), 0)
 }
@@ -101,7 +101,7 @@ func AddYear(t time.Time, year int64) time.Time {
 }

 // AddDaySafe add or sub days to the time and ensure that the returned date does not exceed the valid date of the target year and month.
-// Play: todo
+// Play: https://go.dev/play/p/JTohZFpoDJ3
 func AddDaySafe(t time.Time, days int) time.Time {
 	t = t.AddDate(0, 0, days)
 	year, month, day := t.Date()
@@ -116,7 +116,7 @@ func AddDaySafe(t time.Time, days int) time.Time {
 }

 // AddMonthSafe add or sub months to the time and ensure that the returned date does not exceed the valid date of the target year and month.
-// Play: todo
+// Play: https://go.dev/play/p/KLw0lo6mbVW
 func AddMonthSafe(t time.Time, months int) time.Time {
 	year := t.Year()
 	month := int(t.Month()) + months
@@ -141,7 +141,7 @@ func AddMonthSafe(t time.Time, months int) time.Time {
 }

 // AddYearSafe add or sub years to the time and ensure that the returned date does not exceed the valid date of the target year and month.
-// Play: todo
+// Play: https://go.dev/play/p/KVGXWZZ54ZH
 func AddYearSafe(t time.Time, years int) time.Time {
 	year, month, day := t.Date()
 	year += years
--- a/docs/api/packages/datetime.md
+++ b/docs/api/packages/datetime.md
@@ -153,7 +153,7 @@ func main() {
 func AddWeek(t time.Time, weeks int64) time.Time
 ```

-<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/M9TqdMiaA2p)</span></b>

 ```go
 package main
@@ -189,7 +189,7 @@ func main() {
 func AddMonth(t time.Time, months int64) time.Time
 ```

-<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/DLoiOnpLvsN)</span></b>

 ```go
 package main
@@ -333,7 +333,7 @@ func main() {
 func AddDaySafe(t time.Time, days int) time.Time
 ```

-<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/JTohZFpoDJ3)</span></b>

 ```go
 package main
@@ -380,7 +380,7 @@ func main() {
 func AddMonthSafe(t time.Time, months int) time.Time
 ```

-<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/KLw0lo6mbVW)</span></b>

 ```go
 package main
@@ -417,7 +417,7 @@ func main() {
 func AddYearSafe(t time.Time, years int) time.Time
 ```

-<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/KVGXWZZ54ZH)</span></b>

 ```go
 package main
--- a/docs/api/packages/eventbus.md
+++ b/docs/api/packages/eventbus.md
@@ -48,7 +48,7 @@ import (
 func NewEventBus[T any]() *EventBus[T]
 ```

-<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/gHbOPV_NUOJ)</span></b>

 ```go
 import (
@@ -65,7 +65,7 @@ func main() {
    }

    eb.Subscribe("event1", listener, false, 0, nil)
-    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})

    fmt.Println(receivedData)

@@ -84,7 +84,7 @@ func main() {
 func (eb *EventBus[T]) Subscribe(topic string, listener func(eventData T), async bool, priority int, filter func(eventData T) bool)
 ```

-<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/EYGf_8cHei-)</span></b>

 ```go
 import (
@@ -106,8 +106,8 @@ func main() {

    eb.Subscribe("event1", listener, false, 0, filter)

-    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
-    eb.Publish(Event[int]{Topic: "event1", Payload: 2})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 2})

    fmt.Println(receivedData)

@@ -126,7 +126,7 @@ func main() {
 func (eb *EventBus[T]) Unsubscribe(topic string, listener func(eventData T))
 ```

-<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/Tmh7Ttfvprf)</span></b>

 ```go
 import (
@@ -145,7 +145,7 @@ func main() {
    eb.Subscribe("event1", listener, false, 0, nil)
    eb.Unsubscribe("event1", listener)

-    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})

    fmt.Println(receivedData)

@@ -161,10 +161,10 @@ func main() {
 <b>函数签名:</b>

 ```go
-func (eb *EventBus[T]) Publish(event Event[T])
+func (eb *EventBus[T]) Publish(event eventbus.Event[T])
 ```

-<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/gHTtVexFSH9)</span></b>

 ```go
 import (
@@ -179,7 +179,7 @@ func main() {
        fmt.Println(eventData)
    }, false, 0, nil)

-    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})

    // Output:
    // 1
@@ -196,7 +196,7 @@ func main() {
 func (eb *EventBus[T]) ClearListeners()
 ```

-<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/KBfBYlKPgqD)</span></b>

 ```go
 import (
@@ -213,9 +213,12 @@ func main() {
    }

    eb.Subscribe("event1", listener, false, 0, nil)
+    eb.Subscribe("event2", listener, false, 0, nil)
+
    eb.ClearListeners()

-    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event2", Payload: 2})

    fmt.Println(receivedData)

@@ -234,7 +237,7 @@ func main() {
 func (eb *EventBus[T]) ClearListenersByTopic(topic string)
 ```

-<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/gvMljmJOZmU)</span></b>

 ```go
 import (
@@ -251,14 +254,17 @@ func main() {
    }

    eb.Subscribe("event1", listener, false, 0, nil)
+    eb.Subscribe("event2", listener, false, 0, nil)
+    
    eb.ClearListenersByTopic("event1")

-    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event2", Payload: 2})

    fmt.Println(receivedData)

    // Output:
-    // 0
+    // 2
 }
 ```

@@ -272,7 +278,7 @@ func main() {
 func (eb *EventBus[T]) GetListenersCount(topic string) int
 ```

-<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/j6yaJ2xAmFz)</span></b>

 ```go
 import (
@@ -284,14 +290,14 @@ func main() {
    eb := eventbus.NewEventBus[int]()

    eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
-    eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+    eb.Subscribe("event2", func(eventData int) {}, false, 0, nil)

    count := eb.GetListenersCount("event1")

    fmt.Println(count)

    // Output:
-    // 2
+    // 1
 }
 ```

@@ -305,7 +311,7 @@ func main() {
 func (eb *EventBus[T]) GetAllListenersCount() int
 ```

-<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/PUlr0xcpEOz)</span></b>

 ```go
 import (
@@ -338,7 +344,7 @@ func main() {
 func (eb *EventBus[T]) GetEvents() []string
 ```

-<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/etgjjcOtAjX)</span></b>

 ```go
 import (
@@ -359,8 +365,8 @@ func main() {
    }

    // Output:
-    // event1
    // event2
+    // event1
 }
 ```

@@ -374,7 +380,7 @@ func main() {
 func (eb *EventBus[T]) SetErrorHandler(handler func(err 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/gmB0gnFe5mc)</span></b>

 ```go
 import (
@@ -393,7 +399,7 @@ func main() {
 		panic("error")
 	}, false, 0, nil)

-	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+	eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})

 	// Output:
 	// error
--- a/docs/api/packages/slice.md
+++ b/docs/api/packages/slice.md
@@ -887,7 +887,7 @@ func main() {
 func EqualUnordered[T comparable](slice1, slice2 []T) bool
 ```

-<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/n8fSc2w8ZgX)</span></b>

 ```go
 import (
@@ -1772,7 +1772,7 @@ func main() {
 func ReverseCopy[T any](slice []T) []T
 ```

-<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/c9arEaP7Cg-)</span></b>

 ```go
 import (
@@ -2065,7 +2065,7 @@ func main() {
 func ShuffleCopy[T any](slice []T) []T
 ```

-<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/vqDa-Gs1vT0)</span></b>

 ```go
 import (
--- a/docs/api/packages/strutil.md
+++ b/docs/api/packages/strutil.md
@@ -1772,7 +1772,7 @@ func main() {
 func FindAllOccurrences(str, substr string) []int
 ```

-<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/uvyA6azGLB1)</span></b>

 ```go
 import (
--- a/docs/api/packages/validator.md
+++ b/docs/api/packages/validator.md
@@ -1001,7 +1001,7 @@ func main() {
 func IsIpPort(str string) bool
 ```

-<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/xUmls_b9L29)</span></b>

 ```go
 import (
--- a/docs/en/api/packages/datetime.md
+++ b/docs/en/api/packages/datetime.md
@@ -155,7 +155,7 @@ func main() {
 func AddWeek(t time.Time, weeks int64) time.Time
 ```

-<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/M9TqdMiaA2p)</span></b>

 ```go
 package main
@@ -191,7 +191,7 @@ func main() {
 func AddMonth(t time.Time, months int64) time.Time
 ```

-<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/DLoiOnpLvsN)</span></b>

 ```go
 package main
@@ -335,7 +335,7 @@ func main() {
 func AddDaySafe(t time.Time, days int) time.Time
 ```

-<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/JTohZFpoDJ3)</span></b>

 ```go
 package main
@@ -382,7 +382,7 @@ func main() {
 func AddMonthSafe(t time.Time, months int) time.Time
 ```

-<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/KLw0lo6mbVW)</span></b>

 ```go
 package main
@@ -419,7 +419,7 @@ func main() {
 func AddYearSafe(t time.Time, years int) time.Time
 ```

-<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/KVGXWZZ54ZH)</span></b>

 ```go
 package main
--- a/docs/en/api/packages/eventbus.md
+++ b/docs/en/api/packages/eventbus.md
@@ -48,7 +48,7 @@ import (
 func NewEventBus[T any]() *EventBus[T]
 ```

-<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/gHbOPV_NUOJ)</span></b>

 ```go
 import (
@@ -65,7 +65,7 @@ func main() {
    }

    eb.Subscribe("event1", listener, false, 0, nil)
-    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})

    fmt.Println(receivedData)

@@ -84,7 +84,7 @@ func main() {
 func (eb *EventBus[T]) Subscribe(topic string, listener func(eventData T), async bool, priority int, filter func(eventData T) bool)
 ```

-<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/EYGf_8cHei-)</span></b>

 ```go
 import (
@@ -106,8 +106,8 @@ func main() {

    eb.Subscribe("event1", listener, false, 0, filter)

-    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
-    eb.Publish(Event[int]{Topic: "event1", Payload: 2})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 2})

    fmt.Println(receivedData)

@@ -126,7 +126,7 @@ func main() {
 func (eb *EventBus[T]) Unsubscribe(topic string, listener func(eventData T))
 ```

-<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/Tmh7Ttfvprf)</span></b>

 ```go
 import (
@@ -145,7 +145,7 @@ func main() {
    eb.Subscribe("event1", listener, false, 0, nil)
    eb.Unsubscribe("event1", listener)

-    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})

    fmt.Println(receivedData)

@@ -161,10 +161,10 @@ func main() {
 <b>Signature:</b>

 ```go
-func (eb *EventBus[T]) Publish(event Event[T])
+func (eb *EventBus[T]) Publish(event eventbus.Event[T])
 ```

-<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/gHTtVexFSH9)</span></b>

 ```go
 import (
@@ -179,7 +179,7 @@ func main() {
        fmt.Println(eventData)
    }, false, 0, nil)

-    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})

    // Output:
    // 1
@@ -196,7 +196,7 @@ func main() {
 func (eb *EventBus[T]) ClearListeners()
 ```

-<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/KBfBYlKPgqD)</span></b>

 ```go
 import (
@@ -213,9 +213,12 @@ func main() {
    }

    eb.Subscribe("event1", listener, false, 0, nil)
+    eb.Subscribe("event2", listener, false, 0, nil)
+
    eb.ClearListeners()

-    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event2", Payload: 2})

    fmt.Println(receivedData)

@@ -234,7 +237,7 @@ func main() {
 func (eb *EventBus[T]) ClearListenersByTopic(topic string)
 ```

-<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/gvMljmJOZmU)</span></b>

 ```go
 import (
@@ -251,14 +254,17 @@ func main() {
    }

    eb.Subscribe("event1", listener, false, 0, nil)
+    eb.Subscribe("event2", listener, false, 0, nil)
+    
    eb.ClearListenersByTopic("event1")

-    eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})
+    eb.Publish(eventbus.Event[int]{Topic: "event2", Payload: 2})

    fmt.Println(receivedData)

    // Output:
-    // 0
+    // 2
 }
 ```

@@ -272,7 +278,7 @@ func main() {
 func (eb *EventBus[T]) GetListenersCount(topic string) int
 ```

-<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/j6yaJ2xAmFz)</span></b>

 ```go
 import (
@@ -284,14 +290,14 @@ func main() {
    eb := eventbus.NewEventBus[int]()

    eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
-    eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+    eb.Subscribe("event2", func(eventData int) {}, false, 0, nil)

    count := eb.GetListenersCount("event1")

    fmt.Println(count)

    // Output:
-    // 2
+    // 1
 }
 ```

@@ -305,7 +311,7 @@ func main() {
 func (eb *EventBus[T]) GetAllListenersCount() int
 ```

-<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/PUlr0xcpEOz)</span></b>

 ```go
 import (
@@ -338,7 +344,7 @@ func main() {
 func (eb *EventBus[T]) GetEvents() []string
 ```

-<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/etgjjcOtAjX)</span></b>

 ```go
 import (
@@ -359,8 +365,8 @@ func main() {
    }

    // Output:
-    // event1
    // event2
+    // event1
 }
 ```

@@ -374,7 +380,7 @@ func main() {
 func (eb *EventBus[T]) SetErrorHandler(handler func(err 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/gmB0gnFe5mc)</span></b>

 ```go
 import (
@@ -393,7 +399,7 @@ func main() {
 		panic("error")
 	}, false, 0, nil)

-	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+	eb.Publish(eventbus.Event[int]{Topic: "event1", Payload: 1})

 	// Output:
 	// error
--- a/docs/en/api/packages/slice.md
+++ b/docs/en/api/packages/slice.md
@@ -852,7 +852,7 @@ func main() {
 func EqualUnordered[T comparable](slice1, slice2 []T) bool
 ```

-<b>Example:<span style="float:right;display:inline-block;">[运行](todo)</span></b>
+<b>Example:<span style="float:right;display:inline-block;">[运行](https://go.dev/play/p/n8fSc2w8ZgX)</span></b>

 ```go
 import (
@@ -1768,7 +1768,7 @@ func main() {
 func ReverseCopy[T any](slice []T) []T
 ```

-<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/c9arEaP7Cg-)</span></b>

 ```go
 import (
@@ -2062,7 +2062,7 @@ func main() {
 func ShuffleCopy[T any](slice []T) []T
 ```

-<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/vqDa-Gs1vT0)</span></b>

 ```go
 import (
--- a/docs/en/api/packages/strutil.md
+++ b/docs/en/api/packages/strutil.md
@@ -1774,7 +1774,7 @@ func main() {
 func FindAllOccurrences(str, substr string) []int
 ```

-<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/uvyA6azGLB1)</span></b>

 ```go
 import (
--- a/docs/en/api/packages/validator.md
+++ b/docs/en/api/packages/validator.md
@@ -1003,7 +1003,7 @@ func main() {
 func IsIpPort(str string) bool
 ```

-<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/xUmls_b9L29)</span></b>

 ```go
 import (
--- a/eventbus/eventbus.go
+++ b/eventbus/eventbus.go
@@ -33,7 +33,7 @@ type EventListener[T any] struct {
 }

 // NewEventBus creates a new EventBus.
-// Play: todo
+// Play: https://go.dev/play/p/gHbOPV_NUOJ
 func NewEventBus[T any]() *EventBus[T] {
 	return &EventBus[T]{
 		listeners: sync.Map{},
@@ -41,7 +41,7 @@ func NewEventBus[T any]() *EventBus[T] {
 }

 // Subscribe subscribes to an event with a specific event topic and listener function.
-// Play: todo
+// Play: https://go.dev/play/p/EYGf_8cHei-
 func (eb *EventBus[T]) Subscribe(topic string, listener func(eventData T), async bool, priority int, filter func(eventData T) bool) {
 	eb.mu.Lock()
 	defer eb.mu.Unlock()
@@ -65,7 +65,7 @@ func (eb *EventBus[T]) Subscribe(topic string, listener func(eventData T), async
 }

 // Unsubscribe unsubscribes from an event with a specific event topic and listener function.
-// Play: todo
+// Play: https://go.dev/play/p/Tmh7Ttfvprf
 func (eb *EventBus[T]) Unsubscribe(topic string, listener func(eventData T)) {
 	eb.mu.Lock()
 	defer eb.mu.Unlock()
@@ -89,7 +89,7 @@ func (eb *EventBus[T]) Unsubscribe(topic string, listener func(eventData T)) {
 }

 // Publish publishes an event with a specific event topic and data payload.
-// Play: todo
+// Play: https://go.dev/play/p/gHTtVexFSH9
 func (eb *EventBus[T]) Publish(event Event[T]) {
 	eb.mu.RLock()
 	defer eb.mu.RUnlock()
@@ -125,12 +125,13 @@ func (eb *EventBus[T]) publishToListener(listener *EventListener[T], event Event
 }

 // SetErrorHandler sets the error handler function.
+// Play: https://go.dev/play/p/gmB0gnFe5mc
 func (eb *EventBus[T]) SetErrorHandler(handler func(err error)) {
 	eb.errorHandler = handler
 }

 // ClearListeners clears all the listeners.
-// Play: todo
+// Play: https://go.dev/play/p/KBfBYlKPgqD
 func (eb *EventBus[T]) ClearListeners() {
 	eb.mu.Lock()
 	defer eb.mu.Unlock()
@@ -139,7 +140,7 @@ func (eb *EventBus[T]) ClearListeners() {
 }

 // ClearListenersByTopic clears all the listeners by topic.
-// Play: todo
+// Play: https://go.dev/play/p/gvMljmJOZmU
 func (eb *EventBus[T]) ClearListenersByTopic(topic string) {
 	eb.mu.Lock()
 	defer eb.mu.Unlock()
@@ -148,7 +149,7 @@ func (eb *EventBus[T]) ClearListenersByTopic(topic string) {
 }

 // GetListenersCount returns the number of listeners for a specific event topic.
-// Play: todo
+// Play: https://go.dev/play/p/8VPJsMQgStM
 func (eb *EventBus[T]) GetListenersCount(topic string) int {
 	eb.mu.RLock()
 	defer eb.mu.RUnlock()
@@ -163,7 +164,7 @@ func (eb *EventBus[T]) GetListenersCount(topic string) int {
 }

 // GetAllListenersCount returns the total number of listeners.
-// Play: todo
+// Play: https://go.dev/play/p/PUlr0xcpEOz
 func (eb *EventBus[T]) GetAllListenersCount() int {
 	eb.mu.RLock()
 	defer eb.mu.RUnlock()
@@ -178,7 +179,7 @@ func (eb *EventBus[T]) GetAllListenersCount() int {
 }

 // GetEvents returns all the events topics.
-// Play: todo
+// Play: https://go.dev/play/p/etgjjcOtAjX
 func (eb *EventBus[T]) GetEvents() []string {
 	eb.mu.RLock()
 	defer eb.mu.RUnlock()
--- a/eventbus/eventbus_example_test.go
+++ b/eventbus/eventbus_example_test.go
@@ -136,9 +136,12 @@ func ExampleEventBus_ClearListeners() {
 	}

 	eb.Subscribe("event1", listener, false, 0, nil)
+	eb.Subscribe("event2", listener, false, 0, nil)
+
 	eb.ClearListeners()

 	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+	eb.Publish(Event[int]{Topic: "event2", Payload: 2})

 	fmt.Println(receivedData)

@@ -155,28 +158,31 @@ func ExampleEventBus_ClearListenersByTopic() {
 	}

 	eb.Subscribe("event1", listener, false, 0, nil)
+	eb.Subscribe("event2", listener, false, 0, nil)
+
 	eb.ClearListenersByTopic("event1")

 	eb.Publish(Event[int]{Topic: "event1", Payload: 1})
+	eb.Publish(Event[int]{Topic: "event2", Payload: 2})

 	fmt.Println(receivedData)

 	// Output:
-	// 0
+	// 2
 }

 func ExampleEventBus_GetListenersCount() {
 	eb := NewEventBus[int]()

 	eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
-	eb.Subscribe("event1", func(eventData int) {}, false, 0, nil)
+	eb.Subscribe("event2", func(eventData int) {}, false, 0, nil)

 	count := eb.GetListenersCount("event1")

 	fmt.Println(count)

 	// Output:
-	// 2
+	// 1
 }

 func ExampleEventBus_SetErrorHandler() {
--- a/slice/slice.go
+++ b/slice/slice.go
@@ -221,7 +221,7 @@ func EqualWith[T, U any](slice1 []T, slice2 []U, comparator func(T, U) bool) boo
 }

 // EqualUnordered checks if two slices are equal: the same length and all elements' value are equal (unordered).
-// Play: todo
+// Play: https://go.dev/play/p/n8fSc2w8ZgX
 func EqualUnordered[T comparable](slice1, slice2 []T) bool {
 	if len(slice1) != len(slice2) {
 		return false
@@ -1003,7 +1003,7 @@ func Reverse[T any](slice []T) {
 }

 // ReverseCopy return a new slice of element order is reversed to the given slice.
-// Play: todo
+// Play: https://go.dev/play/p/c9arEaP7Cg-
 func ReverseCopy[T any](slice []T) []T {
 	result := make([]T, len(slice))

@@ -1027,7 +1027,7 @@ func Shuffle[T any](slice []T) []T {
 }

 // ShuffleCopy return a new slice with elements shuffled.
-// Play: todo
+// Play: https://go.dev/play/p/vqDa-Gs1vT0
 func ShuffleCopy[T any](slice []T) []T {
 	result := make([]T, len(slice))
 	copy(result, slice)
--- a/strutil/string.go
+++ b/strutil/string.go
@@ -758,7 +758,7 @@ func ExtractContent(str, start, end string) []string {
 }

 // FindAllOccurrences returns the positions of all occurrences of a substring in a string.
-// Play: todo
+// Play: https://go.dev/play/p/uvyA6azGLB1
 func FindAllOccurrences(str, substr string) []int {
 	var positions []int

--- a/validator/validator.go
+++ b/validator/validator.go
@@ -208,7 +208,7 @@ func IsIp(ipstr string) bool {
 }

 // IsIpPort check if the string is ip:port.
-// Play:
+// Play: https://go.dev/play/p/xUmls_b9L29
 func IsIpPort(str string) bool {
 	host, port, err := net.SplitHostPort(str)
 	if err != nil {