ImmutableQueue<T>.PeekRef 方法

定义

命名空间:

System.Collections.Immutable

程序集:

System.Collections.Immutable.dll

Source:

ImmutableQueue_1.cs

获取对队列前部元素的只读引用。

public:
 T& ^ PeekRef();

public ref readonly T PeekRef ();

member this.PeekRef : unit -> 'T

Public Function PeekRef () As T

返回

T

对队列前部元素的只读引用。

例外

InvalidOperationException

队列为空。