IImmutableList<T>.IndexOf Method
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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> -> intPublic Function IndexOf (item As T, index As Integer, count As Integer, equalityComparer As IEqualityComparer(Of T)) As Integer- 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.
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.
| Продукт | Версии |
|---|---|
| .NET | Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8 (package-provided), 8, 9 (package-provided), 9, 10 (package-provided), 10 |
| .NET Standard | 2.0 (package-provided) |
| UWP | 10.0 |
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