ImmutableDictionary<TKey,TValue>.Builder.ContainsKey(TKey) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
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
true
if the dictionary contains an element with the key; otherwise, false
.
Implements
Exceptions
key
is null.