ImmutableDictionary<TKey,TValue>.Builder.ContainsKey(TKey) Method

Reference

Definition

Namespace:: System.Collections.Immutable

Assembly:: System.Collections.Immutable.dll

Package:: System.Collections.Immutable v10.0.0-preview.1.25080.5

Source:: ImmutableDictionary_2.Builder.cs

Source:: ImmutableDictionary_2.Builder.cs

Source:: ImmutableDictionary_2.Builder.cs

Source:: ImmutableDictionary_2.Builder.cs

Important

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Determines whether the immutable dictionary contains an element that has the specified key.

public:
 virtual bool ContainsKey(TKey key);

public bool ContainsKey(TKey key);

abstract member ContainsKey : 'Key -> bool
override this.ContainsKey : 'Key -> bool

Public Function ContainsKey (key As TKey) As Boolean

Parameters

key: TKey

The key to locate in the dictionary.

Returns

Boolean

true if the dictionary contains an element with the key; otherwise, false.

Implements

ContainsKey(TKey) ContainsKey(TKey)

Exceptions

ArgumentNullException

key is null.

Applies to

Производ	Верзије
.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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