Class BooleanExtensions

bool 扩展方法

Inheritance
Object
BooleanExtensions
Inherited Members
Namespace: Lett.Extensions
Assembly: Lett.Extensions.dll
Syntax
public static class BooleanExtensions

Methods

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IfFalse(Boolean, Action)

结果为 False 时，执行方法

Declaration
public static void IfFalse(this bool this, Action action)
Parameters
Type Name Description
Boolean this

结果
Action action

执行的方法
Examples
var condition = true;
var rs = "";
condition.IfFalse(() => rs = "it is false"); // rs == "";

var condition = false;
var rs = "";
condition.IfFalse(() => rs = "it is false"); // rs == "it is false";
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IfFalse<T>(Boolean, T)

结果为 False 时，返回参数

结果为 True 时，返回参数类型默认值

Declaration
public static T IfFalse<T>(this bool this, T result)
Parameters
Type Name Description
Boolean this

结果
T result

参数
Returns
Type Description
T
Type Parameters
Name Description
T

参数类型
Examples
var condition = true;
var rs = "";
rs = condition.IfFalse("it is false"); // rs == null == default(string)

var condition = false;
var rs = "";
rs = condition.IfFalse("it is false"); // rs == "it is false"
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IfTrue(Boolean, Action)

结果为 True 时，执行方法

Declaration
public static void IfTrue(this bool this, Action action)
Parameters
Type Name Description
Boolean this
Action action

执行的方法
Examples
var condition = true;
var rs = "";
condition.IfTrue(() => rs = "it is true"); // rs == "it is true";

var condition = false;
var rs = "";
condition.IfTrue(() => rs = "it is true"); // rs == "";
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IfTrue<T>(Boolean, T)

结果为 True 时，返回参数

结果为 False 时，返回参数类型默认值

Declaration
public static T IfTrue<T>(this bool this, T result)
Parameters
Type Name Description
Boolean this
T result

参数
Returns
Type Description
T
Type Parameters
Name Description
T

参数类型
Examples
var condition = true;
var rs = "";
rs = condition.IfTrue("it is true"); // rs == "it is true";

var condition = false;
var rs = "";
rs = condition.IfTrue("it is true"); // rs == null == default(string)