ImmutableList<T>.IndexOf Method

Definition

Namespace:

System.Collections.Immutable

Assembly:

System.Collections.Immutable.dll

Package:

System.Collections.Immutable v9.0.0-rc.2.24473.5

Overloads

IndexOf(T)	Searches for the specified object and returns the zero-based index of the first occurrence within the entire immutable list.
IndexOf(T, Int32, Int32, IEqualityComparer<T>)	Searches for the specified object and returns the zero-based index of the first occurrence within the range of elements in the list that starts at the specified index and contains the specified number of elements.

IndexOf(T)

Source:

ImmutableList_1.cs

Searches for the specified object and returns the zero-based index of the first occurrence within the entire immutable list.

public:
 virtual int IndexOf(T value);

public int IndexOf (T value);

abstract member IndexOf : 'T -> int
override this.IndexOf : 'T -> int

Public Function IndexOf (value As T) As Integer

Parameters

value

T

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

Returns

Int32

The zero-based index of the first occurrence of value within the entire immutable list, if found; otherwise, ?1.

Implements

IndexOf(T)

IndexOf(T, Int32, Int32, IEqualityComparer<T>)

Source:

ImmutableList_1.cs

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

public:
 virtual 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
override this.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 list The value can be null for reference types.

index

Int32

The zero-based starting index 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 in the search.

Returns

Int32

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

Implements

IndexOf(T, Int32, Int32, IEqualityComparer<T>)