EqualityComparer<T>.Create 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
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>)
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
代表用來實施該 Equals(T, T) 方法。
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>)
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>