MemoryExtensions.Contains 方法
定义
重要
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重载
| 名称 | 说明 |
|---|---|
| Contains(ReadOnlySpan<Char>, ReadOnlySpan<Char>, StringComparison) |
指示指定的值是否在只读字符范围内发生。 |
| Contains<T>(ReadOnlySpan<T>, T) |
指示是否在只读跨度中找到指定的值。 |
| Contains<T>(Span<T>, T) |
指示是否在范围中找到指定的值。 |
| Contains<T>(ReadOnlySpan<T>, T, IEqualityComparer<T>) |
搜索指定的值，如果找到，则 |
Contains(ReadOnlySpan<Char>, ReadOnlySpan<Char>, StringComparison)
指示指定的值是否在只读字符范围内发生。
public:
[System::Runtime::CompilerServices::Extension]
static bool Contains(ReadOnlySpan<char> span, ReadOnlySpan<char> value, StringComparison comparisonType);public static bool Contains(this ReadOnlySpan<char> span, ReadOnlySpan<char> value, StringComparison comparisonType);static member Contains : ReadOnlySpan<char> * ReadOnlySpan<char> * StringComparison -> bool<Extension()>
Public Function Contains (span As ReadOnlySpan(Of Char), value As ReadOnlySpan(Of Char), comparisonType As StringComparison) As Boolean参数
- span
- ReadOnlySpan<Char>
源范围。
- value
- ReadOnlySpan<Char>
要在源范围中查找的值。
- comparisonType
- StringComparison
一个枚举值，该值确定字符的传入 span 和 value 比较方式。
返回
适用于
Contains<T>(ReadOnlySpan<T>, T)
- Source:
- MemoryExtensions.cs
- Source:
- MemoryExtensions.cs
- Source:
- MemoryExtensions.cs
- Source:
- MemoryExtensions.cs
- Source:
- MemoryExtensions.cs
指示是否在只读跨度中找到指定的值。
public:
generic <typename T>
where T : IEquatable<T>[System::Runtime::CompilerServices::Extension]
static bool Contains(ReadOnlySpan<T> span, T value);public static bool Contains<T>(this ReadOnlySpan<T> span, T value) where T : IEquatable<T>;static member Contains : ReadOnlySpan<'T (requires 'T :> IEquatable<'T>)> * 'T -> bool (requires 'T :> IEquatable<'T>)<Extension()>
Public Function Contains(Of T As IEquatable(Of T)) (span As ReadOnlySpan(Of T), value As T) As Boolean类型参数
- T
范围的类型。
参数
- span
- ReadOnlySpan<T>
要搜索的跨度。
- value
- T
要搜索的值。
返回
注解
使用 IEquatable{T} 比较值。等于（T）。
适用于
Contains<T>(Span<T>, T)
- Source:
- MemoryExtensions.cs
- Source:
- MemoryExtensions.cs
- Source:
- MemoryExtensions.cs
- Source:
- MemoryExtensions.cs
- Source:
- MemoryExtensions.cs
指示是否在范围中找到指定的值。
public:
generic <typename T>
where T : IEquatable<T>[System::Runtime::CompilerServices::Extension]
static bool Contains(Span<T> span, T value);[System.Runtime.CompilerServices.OverloadResolutionPriority(-1)]
public static bool Contains<T>(this Span<T> span, T value) where T : IEquatable<T>;public static bool Contains<T>(this Span<T> span, T value) where T : IEquatable<T>;[<System.Runtime.CompilerServices.OverloadResolutionPriority(-1)>]
static member Contains : Span<'T (requires 'T :> IEquatable<'T>)> * 'T -> bool (requires 'T :> IEquatable<'T>)static member Contains : Span<'T (requires 'T :> IEquatable<'T>)> * 'T -> bool (requires 'T :> IEquatable<'T>)<Extension()>
Public Function Contains(Of T As IEquatable(Of T)) (span As Span(Of T), value As T) As Boolean类型参数
- T
范围中元素的类型。
参数
- span
- Span<T>
要搜索的跨度。
- value
- T
要搜索的值。
返回
- 属性
注解
使用 IEquatable{T} 比较值。等于（T）。
适用于
Contains<T>(ReadOnlySpan<T>, T, IEqualityComparer<T>)
- Source:
- MemoryExtensions.cs
- Source:
- MemoryExtensions.cs
搜索指定的值，如果找到，则 true 返回。 如果未找到，则返回 false。
public static bool Contains<T>(this ReadOnlySpan<T> span, T value, System.Collections.Generic.IEqualityComparer<T>? comparer = default);static member Contains : ReadOnlySpan<'T> * 'T * System.Collections.Generic.IEqualityComparer<'T> -> bool<Extension()>
Public Function Contains(Of T) (span As ReadOnlySpan(Of T), value As T, Optional comparer As IEqualityComparer(Of T) = Nothing) As Boolean类型参数
- T
参数
- span
- ReadOnlySpan<T>
要搜索的跨度。
- value
- T
要搜索的值。
- comparer
- IEqualityComparer<T>
IEqualityComparer<T>比较元素时要使用的实现，或使用null元素类型的默认值IEqualityComparer<T>。
