Class IntExtensions

Int 扩展方法

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

Methods

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GetEnumDescription(Int32, Type)

获取对应枚举的描述

Declaration
public static string GetEnumDescription(this int this, Type enumType)
Parameters
Type Name Description
Int32 this
Type enumType

枚举类型
Returns
Type Description
String

获取失败 返回null
Examples
enum MyEnum
{
[System.ComponentModel.Description("这里是EnumValue0的说明")]
EnumValue0 = 0,
}

0.GetEnumDescription(typeof(MyEnum); // "这里是EnumValue0的说明"
Exceptions
Type Condition
ArgumentNullException

enumType 为空
ArgumentException

enumType 不是枚举类型
ArgumentNullException
ArgumentException
NotSupportedException
AmbiguousMatchException
TypeLoadException
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IsEven(Int32)

是否偶数

Declaration
public static bool IsEven(this int this)
Parameters
Type Name Description
Int32 this
Returns
Type Description
Boolean
Examples
0.IsEven(); // true
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IsInRange(Int32, Int32, Int32)

是否在指定范围内

Declaration
public static bool IsInRange(this int this, int min, int max)
Parameters
Type Name Description
Int32 this
Int32 min

最小值
Int32 max

最大值
Returns
Type Description
Boolean
Examples
(-1).IsInRange(0, 10); // false
10.IsInRange(0, 10);   // true
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IsOdd(Int32)

是否奇数

Declaration
public static bool IsOdd(this int this)
Parameters
Type Name Description
Int32 this
Returns
Type Description
Boolean
Examples
(-1).IsOdd(); // true
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Times(Int32, Action)

执行次数操作，次数基于 this

Declaration
public static void Times(this int this, Action action)
Parameters
Type Name Description
Int32 this
Action action

执行的操作
Examples
var rs = 0;
10.Times(() => rs += 1); // rs == 10
Exceptions
Type Condition
ArgumentOutOfRangeException

执行次数 this 小于0
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Times(Int32, Action<Int32>)

执行次数操作，次数基于 this

Declaration
public static void Times(this int this, Action<int> action)
Parameters
Type Name Description
Int32 this
Action<Int32> action

执行的操作(参数是从0开始的 index)
Examples
var rs2 = 0;
10.Times(i => rs2 += i); // rs2 == 45
Exceptions
Type Condition
ArgumentOutOfRangeException

执行次数 this 小于0