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

Definition

Namespace:

System.Collections.Immutable

Assembly:

System.Collections.Immutable.dll

Package:

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

Source:

ImmutableDictionary_2.Builder.cs

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.