ImmutableList.LastIndexOf<T> Method (IImmutableList<T>, T, Int32)

 

Searches for the specified object and returns the zero-based index of the last occurrence within the range of elements in the immutable list that extends from the first element to the specified index.

Namespace:   System.Collections.Immutable
Assembly:  System.Collections.Immutable (in System.Collections.Immutable.dll)

public static int LastIndexOf<T>(
	this IImmutableList<T> list,
	T item,
	int startIndex
)

Parameters

list
Type: System.Collections.Immutable.IImmutableList<T>

The list to search.

item
Type: T

The object to locate in the Immutable list. The value can be null for reference types.

startIndex
Type: System.Int32

The zero-based starting index of the backward search.

Return Value

Type: System.Int32

The zero-based index of the last occurrence of item within the range of elements in the Immutable list that extends from the first element to index, if found; otherwise, –1.

Type Parameters

T

The type of items in the list.

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