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4 Commits

Author SHA1 Message Date
dudaodong
d67d8fad3a doc: fix missing word in file condition.md 2022-08-29 14:02:30 +08:00
dudaodong
c5e6d01a31 update readme file: add new package and function 2022-08-29 11:50:37 +08:00
dudaodong
6d6c3f692f refactor: change TernaryOperator signature 2022-08-29 11:27:51 +08:00
dudaodong
c695837b16 doc: add document for package condition 2022-08-29 11:23:02 +08:00
5 changed files with 604 additions and 42 deletions

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@@ -107,7 +107,22 @@ import "github.com/duke-git/lancet/v2/concurrency"
- [Take](https://github.com/duke-git/lancet/blob/main/docs/concurrency.md#Take)
- [Tee](https://github.com/duke-git/lancet/blob/main/docs/concurrency.md#Tee)
### 3. Convertor package contains some functions for data convertion.
### 3. Condition package contains some functions for conditional judgment. eg. And, Or, TernaryOperator...
```go
import "github.com/duke-git/lancet/v2/condition"
```
#### Function list:
- [Bool](https://github.com/duke-git/lancet/blob/main/docs/condition.md#Bool)
- [And](https://github.com/duke-git/lancet/blob/main/docs/condition.md#And)
- [Or](https://github.com/duke-git/lancet/blob/main/docs/condition.md#Or)
- [Xor](https://github.com/duke-git/lancet/blob/main/docs/condition.md#Xor)
- [Nor](https://github.com/duke-git/lancet/blob/main/docs/condition.md#Nor)
- [Nand](https://github.com/duke-git/lancet/blob/main/docs/condition.md#Nand)
- [TernaryOperator](https://github.com/duke-git/lancet/blob/main/docs/condition.md#TernaryOperator)
### 4. Convertor package contains some functions for data convertion.
```go
import "github.com/duke-git/lancet/v2/convertor"
@@ -127,8 +142,10 @@ import "github.com/duke-git/lancet/v2/convertor"
- [ToString](https://github.com/duke-git/lancet/blob/main/docs/convertor.md#ToString)
- [StructToMap](https://github.com/duke-git/lancet/blob/main/docs/convertor.md#StructToMap)
- [MapToSlice](https://github.com/duke-git/lancet/blob/main/docs/convertor.md#MapToSlice)
- [EncodeByte](https://github.com/duke-git/lancet/blob/main/docs/convertor.md#EncodeByte)
- [DecodeByte](https://github.com/duke-git/lancet/blob/main/docs/convertor.md#DecodeByte)
### 4. Cryptor package is for data encryption and decryption.
### 5. Cryptor package is for data encryption and decryption.
```go
import "github.com/duke-git/lancet/v2/cryptor"
@@ -168,7 +185,7 @@ import "github.com/duke-git/lancet/v2/cryptor"
- [RsaEncrypt](https://github.com/duke-git/lancet/blob/main/docs/cryptor.md#RsaEncrypt)
- [RsaDecrypt](https://github.com/duke-git/lancet/blob/main/docs/cryptor.md#RsaDecrypt)
### 5. Datetime package supports date and time format and compare.
### 6. Datetime package supports date and time format and compare.
```go
@@ -208,7 +225,7 @@ import "github.com/duke-git/lancet/v2/datetime"
### 6. Datastructure package constains some common data structure. eg. list, linklist, stack, queue, set, tree, graph.
### 7. Datastructure package constains some common data structure. eg. list, linklist, stack, queue, set, tree, graph.
```go
@@ -232,7 +249,7 @@ import hashmap "github.com/duke-git/lancet/v2/datastructure/hashmap"
- [HashMap](https://github.com/duke-git/lancet/blob/main/docs/datastructure/hashmap.md)
### 7. Fileutil package implements some basic functions for file operations.
### 8. Fileutil package implements some basic functions for file operations.
```go
import "github.com/duke-git/lancet/v2/fileutil"
@@ -256,7 +273,7 @@ import "github.com/duke-git/lancet/v2/fileutil"
- [Zip](https://github.com/duke-git/lancet/blob/main/docs/fileutil.md#Zip)
- [UnZip](https://github.com/duke-git/lancet/blob/main/docs/fileutil.md#UnZip)
### 8. Formatter contains some functions for data formatting.
### 9. Formatter contains some functions for data formatting.
```go
import "github.com/duke-git/lancet/v2/formatter"
@@ -264,7 +281,7 @@ import "github.com/duke-git/lancet/v2/formatter"
#### Function list:
- [Comma](https://github.com/duke-git/lancet/blob/main/docs/formatter.md#Comma)
### 9. Function package can control the flow of function execution and support part of functional programming
### 10. Function package can control the flow of function execution and support part of functional programming
```go
import "github.com/duke-git/lancet/v2/function"
@@ -280,7 +297,7 @@ import "github.com/duke-git/lancet/v2/function"
- [Watcher](https://github.com/duke-git/lancet/blob/main/docs/function.md#Watcher)
### 10. Maputil package includes some functions to manipulate map.
### 11. Maputil package includes some functions to manipulate map.
```go
import "github.com/duke-git/lancet/v2/maputil"
@@ -297,7 +314,7 @@ import "github.com/duke-git/lancet/v2/maputil"
- [IsDisjoint](https://github.com/duke-git/lancet/blob/main/docs/maputil.md#IsDisjoint)
### 11. Mathutil package implements some functions for math calculation.
### 12. Mathutil package implements some functions for math calculation.
```go
import "github.com/duke-git/lancet/v2/mathutil"
@@ -318,7 +335,7 @@ import "github.com/duke-git/lancet/v2/mathutil"
- [TruncRound](https://github.com/duke-git/lancet/blob/main/docs/mathutil.md#TruncRound)
### 12. Netutil package contains functions to get net information and send http request.
### 13. Netutil package contains functions to get net information and send http request.
```go
import "github.com/duke-git/lancet/v2/netutil"
@@ -326,14 +343,14 @@ import "github.com/duke-git/lancet/v2/netutil"
#### Function list:
- [ConvertMapToQueryString](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#ConvertMapToQueryString)
- [EncodeUrl](https://github.com/duke-git/lancet/blob/main/docs/netutil_zh-CN.md#EncodeUrl)
- [EncodeUrl](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#EncodeUrl)
- [GetInternalIp](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#GetInternalIp)
- [GetIps](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#GetIps)
- [GetMacAddrs](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#GetMacAddrs)
- [GetPublicIpInfo](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#GetPublicIpInfo)
- [GetRequestPublicIp](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#GetRequestPublicIp)
- [IsPublicIP](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#IsPublicIP)
- [IsInternalIP](https://github.com/duke-git/lancet/blob/main/docs/netutil_zh-CN.md#IsInternalIP)
- [IsInternalIP](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#IsInternalIP)
- [HttpGet](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#HttpGet)
- [HttpDelete](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#HttpDelete)
- [HttpPost](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#HttpPost)
@@ -341,7 +358,7 @@ import "github.com/duke-git/lancet/v2/netutil"
- [HttpPatch](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#HttpPatch)
- [ParseHttpResponse](https://github.com/duke-git/lancet/blob/main/docs/netutil.md#ParseHttpResponse)
### 13. Random package implements some basic functions to generate random int and string.
### 14. Random package implements some basic functions to generate random int and string.
```go
import "github.com/duke-git/lancet/v2/random"
@@ -353,7 +370,7 @@ import "github.com/duke-git/lancet/v2/random"
- [RandString](https://github.com/duke-git/lancet/blob/main/docs/random.md#RandString)
- [UUIdV4](https://github.com/duke-git/lancet/blob/main/docs/random.md#UUIdV4)
### 14. Retry package is for executing a function repeatedly until it was successful or canceled by the context.
### 15. Retry package is for executing a function repeatedly until it was successful or canceled by the context.
```go
import "github.com/duke-git/lancet/v2/retry"
@@ -366,7 +383,7 @@ import "github.com/duke-git/lancet/v2/retry"
- [RetryDuration](https://github.com/duke-git/lancet/blob/main/docs/retry.md#RetryDuration)
- [RetryTimes](https://github.com/duke-git/lancet/blob/main/docs/retry.md#RetryTimes)
### 15. Slice contains some functions to manipulate slice.
### 16. Slice contains some functions to manipulate slice.
```go
import "github.com/duke-git/lancet/v2/slice"
@@ -418,7 +435,7 @@ import "github.com/duke-git/lancet/v2/slice"
- [UpdateAt](https://github.com/duke-git/lancet/blob/main/docs/slice.md#UpdateAt)
- [Without](https://github.com/duke-git/lancet/blob/main/docs/slice.md#Without)
### 16. Strutil package contains some functions to manipulate string.
### 17. Strutil package contains some functions to manipulate string.
```go
import "github.com/duke-git/lancet/v2/strutil"
```
@@ -443,7 +460,7 @@ import "github.com/duke-git/lancet/v2/strutil"
- [Wrap](https://github.com/duke-git/lancet/blob/main/docs/strutil.md#Wrap)
- [Unwrap](https://github.com/duke-git/lancet/blob/main/docs/strutil.md#Unwrap)
### 17. System package contain some functions about os, runtime, shell command.
### 19. System package contain some functions about os, runtime, shell command.
```go
import "github.com/duke-git/lancet/v2/system"
@@ -459,7 +476,7 @@ import "github.com/duke-git/lancet/v2/system"
- [ExecCommand](https://github.com/duke-git/lancet/blob/main/docs/system.md#ExecCommand)
- [GetOsBits](https://github.com/duke-git/lancet/blob/main/docs/system.md#GetOsBits)
### 18. Validator package contains some functions for data validation.
### 19. Validator package contains some functions for data validation.
```go
import "github.com/duke-git/lancet/v2/validator"
@@ -494,7 +511,7 @@ import "github.com/duke-git/lancet/v2/validator"
- [IsUrl](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsUrl)
- [IsWeakPassword](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsWeakPassword)
- [IsZeroValue](https://github.com/duke-git/lancet/blob/main/docs/validator.md#IsZeroValue)
### 19. xerror package implements helpers for errors.
### 20. xerror package implements helpers for errors.
```go
import "github.com/duke-git/lancet/v2/xerror"

View File

@@ -89,7 +89,7 @@ import "github.com/duke-git/lancet/v2/algorithm"
- [LRUCache](https://github.com/duke-git/lancet/blob/main/docs/algorithm_zh-CN.md#LRUCache)
### 2. 并发包包含一些支持并发编程的功能。例如goroutine, channel, async等。
### 2. concurrency并发包包含一些支持并发编程的功能。例如goroutine, channel, async等。
```go
import "github.com/duke-git/lancet/v2/concurrency"
@@ -105,8 +105,23 @@ import "github.com/duke-git/lancet/v2/concurrency"
- [RepeatFn](https://github.com/duke-git/lancet/blob/main/docs/concurrency_zh-CN.md#RepeatFn)
- [Take](https://github.com/duke-git/lancet/blob/main/docs/concurrency_zh-CN.md#Take)
- [Tee](https://github.com/duke-git/lancet/blob/main/docs/concurrency_zh-CN.md#Tee)
### 3. condition条件包含一些用于条件判断的函数。eg. And, Or, TernaryOperator...
```go
import "github.com/duke-git/lancet/v2/condition"
```
#### Function list:
- [Bool](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#Bool)
- [And](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#And)
- [Or](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#Or)
- [Xor](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#Xor)
- [Nor](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#Nor)
- [Nand](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#Nand)
- [TernaryOperator](https://github.com/duke-git/lancet/blob/main/docs/condition_zh-CN.md#TernaryOperator)
### 3. convertor转换器包支持一些常见的数据类型转换。
### 4. convertor转换器包支持一些常见的数据类型转换。
```go
import "github.com/duke-git/lancet/v2/convertor"
@@ -126,7 +141,10 @@ import "github.com/duke-git/lancet/v2/convertor"
- [ToString](https://github.com/duke-git/lancet/blob/main/docs/convertor_zh-CN.md#ToString)
- [StructToMap](https://github.com/duke-git/lancet/blob/main/docs/convertor_zh-CN.md#StructToMap)
- [MapToSlice](https://github.com/duke-git/lancet/blob/main/docs/convertor_zh-CN.md#MapToSlice)
### 4. cryptor加密包支持数据加密和解密获取md5hash值。支持base64, md5, hmac, aes, des, rsa。
- [EncodeByte](https://github.com/duke-git/lancet/blob/main/docs/convertor_zh-CN.md#EncodeByte)
- [DecodeByte](https://github.com/duke-git/lancet/blob/main/docs/convertor_zh-CN.md#DecodeByte)
### 5. cryptor加密包支持数据加密和解密获取md5hash值。支持base64, md5, hmac, aes, des, rsa。
```go
import "github.com/duke-git/lancet/v2/cryptor"
@@ -166,7 +184,7 @@ import "github.com/duke-git/lancet/v2/cryptor"
- [RsaEncrypt](https://github.com/duke-git/lancet/blob/main/docs/cryptor_zh-CN.md#RsaEncrypt)
- [RsaDecrypt](https://github.com/duke-git/lancet/blob/main/docs/cryptor_zh-CN.md#RsaDecrypt)
### 5. datetime日期时间处理包格式化日期比较日期。
### 6. datetime日期时间处理包格式化日期比较日期。
```go
@@ -205,7 +223,7 @@ import "github.com/duke-git/lancet/v2/datetime"
- [ToIso8601](https://github.com/duke-git/lancet/blob/main/docs/datetime_zh-CN.md#ToIso8601)
### 6. datastructure包含一些普通的数据结构实现。例如list, linklist, stack, queue, set, tree, graph.
### 7. datastructure包含一些普通的数据结构实现。例如list, linklist, stack, queue, set, tree, graph.
```go
@@ -229,7 +247,7 @@ import hashmap "github.com/duke-git/lancet/v2/datastructure/hashmap"
- [HashMap](https://github.com/duke-git/lancet/blob/main/docs/datastructure/hashmap.md)
### 7. fileutil包支持文件基本操作。
### 8. fileutil包支持文件基本操作。
```go
import "github.com/duke-git/lancet/v2/fileutil"
@@ -253,7 +271,7 @@ import "github.com/duke-git/lancet/v2/fileutil"
- [Zip](https://github.com/duke-git/lancet/blob/main/docs/fileutil_zh-CN.md#Zip)
- [UnZip](https://github.com/duke-git/lancet/blob/main/docs/fileutil_zh-CN.md#UnZip)
### 8. formatter格式化器包含一些数据格式化处理方法。
### 9. formatter格式化器包含一些数据格式化处理方法。
```go
import "github.com/duke-git/lancet/v2/formatter"
@@ -262,7 +280,7 @@ import "github.com/duke-git/lancet/v2/formatter"
- [Comma](https://github.com/duke-git/lancet/blob/main/docs/formatter_zh-CN.md#Comma)
### 9. function函数包控制函数执行流程包含部分函数式编程。
### 10. function函数包控制函数执行流程包含部分函数式编程。
```go
import "github.com/duke-git/lancet/v2/function"
@@ -278,7 +296,7 @@ import "github.com/duke-git/lancet/v2/function"
- [Watcher](https://github.com/duke-git/lancet/blob/main/docs/function_zh-CN.md#Watcher)
### 10. maputil包包括一些操作map的函数.
### 11. maputil包包括一些操作map的函数.
```go
import "github.com/duke-git/lancet/v2/maputil"
@@ -294,7 +312,7 @@ import "github.com/duke-git/lancet/v2/maputil"
- [Values](https://github.com/duke-git/lancet/blob/main/docs/maputil_zh-CN.md#Values)
- [IsDisjoint](https://github.com/duke-git/lancet/blob/main/docs/maputil_zh-CN.md#IsDisjoint)
### 11. mathutil包实现了一些数学计算的函数。
### 12. mathutil包实现了一些数学计算的函数。
```go
import "github.com/duke-git/lancet/v2/mathutil"
@@ -314,7 +332,7 @@ import "github.com/duke-git/lancet/v2/mathutil"
- [RoundToString](https://github.com/duke-git/lancet/blob/main/docs/mathutil_zh-CN.md#RoundToString)
- [TruncRound](https://github.com/duke-git/lancet/blob/main/docs/mathutil_zh-CN.md#TruncRound)
### 12. netutil网络包支持获取ip地址发送http请求。
### 13. netutil网络包支持获取ip地址发送http请求。
```go
import "github.com/duke-git/lancet/v2/netutil"
@@ -337,7 +355,7 @@ import "github.com/duke-git/lancet/v2/netutil"
- [HttpPatch](https://github.com/duke-git/lancet/blob/main/docs/netutil_zh-CN.md#HttpPatch)
- [ParseHttpResponse](https://github.com/duke-git/lancet/blob/main/docs/netutil_zh-CN.md#ParseHttpResponse)
### 13. random随机数生成器包可以生成随机[]bytes, int, string。
### 14. random随机数生成器包可以生成随机[]bytes, int, string。
```go
import "github.com/duke-git/lancet/v2/random"
@@ -348,7 +366,7 @@ import "github.com/duke-git/lancet/v2/random"
- [RandInt](https://github.com/duke-git/lancet/blob/main/docs/random_zh-CN.md#RandInt)
- [RandString](https://github.com/duke-git/lancet/blob/main/docs/random_zh-CN.md#RandString)
- [UUIdV4](https://github.com/duke-git/lancet/blob/main/docs/random.md#UUIdV4)
### 14. retry重试执行函数直到函数运行成功或被context cancel。
### 15. retry重试执行函数直到函数运行成功或被context cancel。
```go
import "github.com/duke-git/lancet/v2/retry"
@@ -362,7 +380,7 @@ import "github.com/duke-git/lancet/v2/retry"
- [RetryTimes](https://github.com/duke-git/lancet/blob/main/docs/retry_zh-CN.md#RetryTimes)
### 15. slice包包含操作切片的方法集合。
### 16. slice包包含操作切片的方法集合。
```go
import "github.com/duke-git/lancet/v2/slice"
@@ -413,7 +431,7 @@ import "github.com/duke-git/lancet/v2/slice"
- [Without](https://github.com/duke-git/lancet/blob/main/docs/slice_zh-CN.md#Without)
### 16. strutil包含处理字符串的相关函数。
### 17. strutil包含处理字符串的相关函数。
```go
import "github.com/duke-git/lancet/v2/strutil"
@@ -440,7 +458,7 @@ import "github.com/duke-git/lancet/v2/strutil"
- [Unwrap](https://github.com/duke-git/lancet/blob/main/docs/strutil_zh-CN.md#Unwrap)
### 17. system包含os, runtime, shell command相关函数。
### 18. system包含os, runtime, shell command相关函数。
```go
import "github.com/duke-git/lancet/v2/system"
@@ -457,7 +475,7 @@ import "github.com/duke-git/lancet/v2/system"
- [ExecCommand](https://github.com/duke-git/lancet/blob/main/docs/system_zh-CN.md#ExecCommand)
- [GetOsBits](https://github.com/duke-git/lancet/blob/main/docs/system_zh-CN.md#GetOsBits)
### 18. validator验证器包包含常用字符串格式验证函数。
### 19. validator验证器包包含常用字符串格式验证函数。
```go
import "github.com/duke-git/lancet/v2/validator"
@@ -492,7 +510,7 @@ import "github.com/duke-git/lancet/v2/validator"
- [IsWeakPassword](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsWeakPassword)
- [IsZeroValue](https://github.com/duke-git/lancet/blob/main/docs/validator_zh-CN.md#IsZeroValue)
### 19. xerror包实现一些错误处理函数
### 20. xerror包实现一些错误处理函数
```go
import "github.com/duke-git/lancet/v2/xerror"

View File

@@ -67,11 +67,11 @@ func Nand[T, U any](a T, b U) bool {
return !Bool(a) || !Bool(b)
}
// TernaryOperator if true return trueValue else return falseValue
func TernaryOperator[T any](isTrue bool, trueValue T, falseValue T) T {
if isTrue {
return trueValue
// TernaryOperator checks the value of param `isTrue`, if true return ifValue else return elseValue
func TernaryOperator[T, U any](isTrue T, ifValue U, elseValue U) U {
if Bool(isTrue) {
return ifValue
} else {
return falseValue
return elseValue
}
}

264
docs/condition.md Normal file
View File

@@ -0,0 +1,264 @@
# Condition
Package condition contains some functions for conditional judgment. eg. And, Or, TernaryOperator... The implementation of this package refers to the implementation of carlmjohnson's truthy package, you may find more useful information in [truthy](https://github.com/carlmjohnson/truthy), thanks carlmjohnson.
<div STYLE="page-break-after: always;"></div>
## Source:
- [https://github.com/duke-git/lancet/blob/main/condition/condition.go](https://github.com/duke-git/lancet/blob/main/condition/condition.go)
<div STYLE="page-break-after: always;"></div>
## Usage:
```go
import (
"github.com/duke-git/lancet/v2/condition"
)
```
<div STYLE="page-break-after: always;"></div>
## Index
- [Bool](#Bool)
- [And](#And)
- [Or](#Or)
- [Xor](#Generate)
- [Nor](#Nor)
- [Nand](#Nand)
- [TernaryOperator](#TernaryOperator)
<div STYLE="page-break-after: always;"></div>
## Documentation
### <span id="Bool">Bool</span>
<p>Returns the truthy value of anything.<br/>
If the value's type has a Bool() bool method, the method is called and returned.<br/>
If the type has an IsZero() bool method, the opposite value is returned.<br/>
Slices and maps are truthy if they have a length greater than zero.<br/>
All other types are truthy if they are not their zero value.</p>
<b>Signature:</b>
```go
func Bool[T any](value T) bool
```
<b>Example:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
// bool
fmt.Println(condition.Bool(false)) // false
fmt.Println(condition.Bool(true)) // true
// integer
fmt.Println(condition.Bool(0)) // false
fmt.Println(condition.Bool(1)) // true
// float
fmt.Println(condition.Bool(0.0)) // false
fmt.Println(condition.Bool(0.1)) // true
// string
fmt.Println(condition.Bool("")) // false
fmt.Println(condition.Bool(" ")) // true
fmt.Println(condition.Bool("0")) // true
// slice
var nums [2]int
fmt.Println(condition.Bool(nums)) // false
nums = [2]int{0, 1}
fmt.Println(condition.Bool(nums)) // true
// map
fmt.Println(condition.Bool(map[string]string{})) // false
fmt.Println(condition.Bool(map[string]string{"a": "a"})) // true
// struct
fmt.Println(condition.Bool(struct{}{})) // false
fmt.Println(condition.Bool(time.Now())) // true
}
```
### <span id="And">And</span>
<p>Returns true if both a and b are truthy.</p>
<b>Signature:</b>
```go
func And[T, U any](a T, b U) bool
```
<b>Example:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
fmt.Println(condition.And(0, 1)) // false
fmt.Println(condition.And(0, "")) // false
fmt.Println(condition.And(0, "0")) // false
fmt.Println(condition.And(1, "0")) // true
}
```
### <span id="Or">Or</span>
<p>Returns false iff neither a nor b is truthy.</p>
<b>Signature:</b>
```go
func Or[T, U any](a T, b U) bool
```
<b>Example:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
fmt.Println(condition.Or(0, "")) // false
fmt.Println(condition.Or(0, 1)) // true
fmt.Println(condition.Or(0, "0")) // true
fmt.Println(condition.Or(1, "0")) // true
}
```
### <span id="Xor">Xor</span>
<p>Returns true iff a or b but not both is truthy.</p>
<b>Signature:</b>
```go
func Xor[T, U any](a T, b U) bool
```
<b>Example:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
fmt.Println(condition.Xor(0, 0)) // false
fmt.Println(condition.Xor(0, 1)) // true
fmt.Println(condition.Xor(1, 0)) // true
fmt.Println(condition.Xor(1, 1)) // false
}
```
### <span id="Nor">Nor</span>
<p>Returns true iff neither a nor b is truthy.</p>
<b>Signature:</b>
```go
func Nor[T, U any](a T, b U) bool
```
<b>Example:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
fmt.Println(condition.Nor(0, 0)) // true
fmt.Println(condition.Nor(0, 1)) // false
fmt.Println(condition.Nor(1, 0)) // false
fmt.Println(condition.Nor(1, 1)) // true
}
```
### <span id="Nand">Nand</span>
<p>Returns false iff both a and b are truthy</p>
<b>Signature:</b>
```go
func Nand[T, U any](a T, b U) bool
```
<b>Example:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
fmt.Println(condition.Nand(0, 0)) // true
fmt.Println(condition.Nand(0, 1)) // true
fmt.Println(condition.Nand(1, 0)) // true
fmt.Println(condition.Nand(1, 1)) // false
}
```
### <span id="TernaryOperator">TernaryOperator</span>
<p>Checks the value of param `isTrue`, if true return ifValue else return elseValue</p>
<b>Signature:</b>
```go
func TernaryOperator[T, U any](isTrue T, ifValue U, elseValue U) U
```
<b>Example:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
trueValue := "1"
falseValue := "0"
fmt.Println(condition.TernaryOperator(true, trueValue, falseValue)) // "1"
}
```

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# Condition
condition包含一些用于条件判断的函数。这个包的实现参考了carlmjohnson的truthy包的实现更多有用的信息可以在[truthy](https://github.com/carlmjohnson/truthy)中找到感谢carlmjohnson。
<div STYLE="page-break-after: always;"></div>
## 源码:
- [https://github.com/duke-git/lancet/blob/main/condition/condition.go](https://github.com/duke-git/lancet/blob/main/condition/condition.go)
<div STYLE="page-break-after: always;"></div>
## 用法:
```go
import (
"github.com/duke-git/lancet/v2/condition"
)
```
<div STYLE="page-break-after: always;"></div>
## Index
- [Bool](#Bool)
- [And](#And)
- [Or](#Or)
- [Xor](#Generate)
- [Nor](#Nor)
- [Nand](#Nand)
- [TernaryOperator](#TernaryOperator)
<div STYLE="page-break-after: always;"></div>
## 目录
### <span id="Bool">Bool</span>
<p>返回传入参数的bool值.<br/>
如果出入类型参数含有Bool方法, 会调用该方法并返回<br/>
如果传入类型参数有IsZero方法, 返回IsZero方法返回值的取反<br/>
slices和map的length大于0时返回true否则返回false<br/>
其他类型会判断是否是零值</p>
<b>函数签名:</b>
```go
func Bool[T any](value T) bool
```
<b>例子:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
// bool
fmt.Println(condition.Bool(false)) // false
fmt.Println(condition.Bool(true)) // true
// integer
fmt.Println(condition.Bool(0)) // false
fmt.Println(condition.Bool(1)) // true
// float
fmt.Println(condition.Bool(0.0)) // false
fmt.Println(condition.Bool(0.1)) // true
// string
fmt.Println(condition.Bool("")) // false
fmt.Println(condition.Bool(" ")) // true
fmt.Println(condition.Bool("0")) // true
// slice
var nums [2]int
fmt.Println(condition.Bool(nums)) // false
nums = [2]int{0, 1}
fmt.Println(condition.Bool(nums)) // true
// map
fmt.Println(condition.Bool(map[string]string{})) // false
fmt.Println(condition.Bool(map[string]string{"a": "a"})) // true
// struct
fmt.Println(condition.Bool(struct{}{})) // false
fmt.Println(condition.Bool(time.Now())) // true
}
```
### <span id="And">And</span>
<p>逻辑且操作当切仅当a和b都为true时返回true</p>
<b>函数签名:</b>
```go
func And[T, U any](a T, b U) bool
```
<b>例子:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
fmt.Println(condition.And(0, 1)) // false
fmt.Println(condition.And(0, "")) // false
fmt.Println(condition.And(0, "0")) // false
fmt.Println(condition.And(1, "0")) // true
}
```
### <span id="Or">Or</span>
<p>逻辑或操作当切仅当a和b都为false时返回false</p>
<b>函数签名:</b>
```go
func Or[T, U any](a T, b U) bool
```
<b>例子:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
fmt.Println(condition.Or(0, "")) // false
fmt.Println(condition.Or(0, 1)) // true
fmt.Println(condition.Or(0, "0")) // true
fmt.Println(condition.Or(1, "0")) // true
}
```
### <span id="Xor">Xor</span>
<p>逻辑异或操作a和b相同返回falsea和b不相同返回true</p>
<b>函数签名:</b>
```go
func Xor[T, U any](a T, b U) bool
```
<b>例子:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
fmt.Println(condition.Xor(0, 0)) // false
fmt.Println(condition.Xor(0, 1)) // true
fmt.Println(condition.Xor(1, 0)) // true
fmt.Println(condition.Xor(1, 1)) // false
}
```
### <span id="Nor">Nor</span>
<p>异或的取反操作</p>
<b>函数签名:</b>
```go
func Nor[T, U any](a T, b U) bool
```
<b>例子:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
fmt.Println(condition.Nor(0, 0)) // true
fmt.Println(condition.Nor(0, 1)) // false
fmt.Println(condition.Nor(1, 0)) // false
fmt.Println(condition.Nor(1, 1)) // true
}
```
### <span id="Nand">Nand</span>
<p>如果a和b都为真返回false否则返回true</p>
<b>函数签名:</b>
```go
func Nand[T, U any](a T, b U) bool
```
<b>例子:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
fmt.Println(condition.Nand(0, 0)) // true
fmt.Println(condition.Nand(0, 1)) // true
fmt.Println(condition.Nand(1, 0)) // true
fmt.Println(condition.Nand(1, 1)) // false
}
```
### <span id="TernaryOperator">TernaryOperator</span>
<p>三元运算符</p>
<b>函数签名:</b>
```go
func TernaryOperator[T, U any](isTrue T, ifValue U, elseValue U) U
```
<b>例子:</b>
```go
package main
import (
"fmt"
"github.com/duke-git/lancet/v2/condition"
)
func main() {
trueValue := "1"
falseValue := "0"
fmt.Println(condition.TernaryOperator(true, trueValue, falseValue)) // "1"
}
```