語言

EqualityComparer<T>.Create 方法

定義

多載

名稱 Description
Create(Func<T,T,Boolean>, Func<T,Int32>)

透過使用指定的代理作為比較器EqualityComparer<T>與Equals(T, T)方法的實作來建立 。GetHashCode(T)

Create<TKey>(Func<T,TKey>, IEqualityComparer<TKey>)

Create(Func<T,T,Boolean>, Func<T,Int32>)

來源:
EqualityComparer.cs
來源:
EqualityComparer.cs
來源:
EqualityComparer.cs
來源:
EqualityComparer.cs

透過使用指定的代理作為比較器EqualityComparer<T>與Equals(T, T)方法的實作來建立 。GetHashCode(T)

public static System.Collections.Generic.EqualityComparer<T> Create(Func<T?,T?,bool> equals, Func<T,int>? getHashCode = default);
static member Create : Func<'T, 'T, bool> * Func<'T, int> -> System.Collections.Generic.EqualityComparer<'T>
Public Shared Function Create (equals As Func(Of T, T, Boolean), Optional getHashCode As Func(Of T, Integer) = Nothing) As EqualityComparer(Of T)

參數

equals
Func<T,T,Boolean>

代表用來實施該 Equals(T, T) 方法。

getHashCode
Func<T,Int32>

代表用來實施該 GetHashCode(T) 方法。 若未提供代理,呼叫結果比較器的 GetHashCode(T) 將拋出 NotSupportedException。

傳回

新的比較器。

例外狀況

equals該代表為 null。

適用於

Create<TKey>(Func<T,TKey>, IEqualityComparer<TKey>)

來源:
EqualityComparer.cs
public static System.Collections.Generic.EqualityComparer<T> Create<TKey>(Func<T?,TKey?> keySelector, System.Collections.Generic.IEqualityComparer<TKey>? keyComparer = default);
static member Create : Func<'T, 'Key> * System.Collections.Generic.IEqualityComparer<'Key> -> System.Collections.Generic.EqualityComparer<'T>
Public Shared Function Create(Of TKey) (keySelector As Func(Of T, TKey), Optional keyComparer As IEqualityComparer(Of TKey) = Nothing) As EqualityComparer(Of T)

類型參數

TKey

參數

keySelector
Func<T,TKey>
keyComparer
IEqualityComparer<TKey>

傳回

適用於