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IImmutableList<T>.IndexOf Method

  • Reference

Definition

Namespace:
System.Collections.Immutable
Assembly:
System.Collections.Immutable.dll
Package:
System.Collections.Immutable v9.0.0
Source:
SortedInt32KeyNode.Enumerator.cs

Searches for the specified object and returns the zero-based index of the first occurrence within the range of elements in the IImmutableList<T> that starts at the specified index and contains the specified number of elements.

public:
 int IndexOf(T item, int index, int count, System::Collections::Generic::IEqualityComparer<T> ^ equalityComparer);
public int IndexOf (T item, int index, int count, System.Collections.Generic.IEqualityComparer<T> equalityComparer);
public int IndexOf (T item, int index, int count, System.Collections.Generic.IEqualityComparer<T>? equalityComparer);
abstract member IndexOf : 'T * int * int * System.Collections.Generic.IEqualityComparer<'T> -> int
Public Function IndexOf (item As T, index As Integer, count As Integer, equalityComparer As IEqualityComparer(Of T)) As Integer

Parameters

item
T

The object to locate in the IImmutableList<T>. This value can be null for reference types.

index
Int32

The zero-based starting indexes of the search. 0 (zero) is valid in an empty list.

count
Int32

The number of elements in the section to search.

equalityComparer
IEqualityComparer<T>

The equality comparer to use to locate item.

Returns

Int32

The zero-based index of the first occurrence of item within the range of elements in the IImmutableList<T> that starts at index and contains count number of elements if found; otherwise -1.

Applies to