ImmutableArrayExtensions.Single Method

Definition

Namespace:

System.Linq

Assembly:

System.Collections.Immutable.dll

Overloads

Single<T>(ImmutableArray<T>)	Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence.
Single<T>(ImmutableArray<T>, Func<T,Boolean>)	Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists.

Single<T>(ImmutableArray<T>)

Source:

ImmutableArrayExtensions.cs

Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence.

C#

public static T Single<T>(this System.Collections.Immutable.ImmutableArray<T> immutableArray);

Type Parameters

T

The type of element contained by the collection.

Parameters

immutableArray

ImmutableArray<T>

The array to retrieve the element from.

Returns

T

The element in the sequence.

Single<T>(ImmutableArray<T>, Func<T,Boolean>)

Source:

ImmutableArrayExtensions.cs

Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists.

C#

public static T Single<T>(this System.Collections.Immutable.ImmutableArray<T> immutableArray, Func<T,bool> predicate);

Type Parameters

T

The type of element contained by the collection.

Parameters

immutableArray

ImmutableArray<T>

The immutable array to return a single element from.

predicate

Func<T,Boolean>

The function to test whether an element should be returned.

Returns

T

Returns Boolean.