DictionaryExtensions.GetValueOrAdd Method
Definition
Important
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Gets or adds the value associated with specified key.
public static TValue GetValueOrAdd(this System.Collections.Generic.IDictionary dictionary, TKey key, Func valueProvider); static member GetValueOrAdd : System.Collections.Generic.IDictionary<'Key, 'Value> * 'Key * Func<'Key, 'Value> -> 'Value
Public Function GetValueOrAdd(Of TKey, TValue) (dictionary As IDictionary(Of TKey, TValue), key As TKey, valueProvider As Func(Of TKey, TValue)) As TValue Type Parameters
- TKey
The type of the key parameter.
- TValue
The type of the value parameter.
Parameters
- dictionary
-
IDictionary
The dictionary containing the specified key.
- key
- TKey
The key whose value to get.
- valueProvider
-
Func
The value provider function.
Returns
TValue
The value associated with the specified key, if the key is found; otherwise, it retrieves the value from the value provider function, adds it to the dictionary and returns it .
