ImmutableList.Replace<T>(IImmutableList<T>, T, T) 方法

定义

将列表中第一个相等的元素替换为指定的元素。Replaces the first equal element in the list with the specified element.

public:
generic <typename T>
[System::Runtime::CompilerServices::Extension]
 static System::Collections::Immutable::IImmutableList<T> ^ Replace(System::Collections::Immutable::IImmutableList<T> ^ list, T oldValue, T newValue);
public static System.Collections.Immutable.IImmutableList<T> Replace<T> (this System.Collections.Immutable.IImmutableList<T> list, T oldValue, T newValue);
static member Replace : System.Collections.Immutable.IImmutableList<'T> * 'T * 'T -> System.Collections.Immutable.IImmutableList<'T>
<Extension()>
Public Function Replace(Of T) (list As IImmutableList(Of T), oldValue As T, newValue As T) As IImmutableList(Of T)

类型参数

T

列表中项的类型。The type of items in the list.

参数

list
IImmutableList<T>

要搜索的列表。The list to search.

oldValue
T

要替换的元素。The element to replace.

newValue
T

用于替换旧元素的元素。The element to replace the old element with.

返回

新列表 - 即使被替换的值等于该位置的新值。The new list -- even if the value being replaced is equal to the new value for that position.

异常

在列表中不存在旧值时引发。Thrown when the old value does not exist in the list.

适用于