DictionaryExtensions.GetValueOrAdd<TKey,TValue>(IDictionary<TKey,TValue>, TKey, Func<TKey,TValue>) Method

Definition

Gets or adds the value associated with specified key.

public static TValue GetValueOrAdd<TKey,TValue> (this System.Collections.Generic.IDictionary<TKey,TValue> dictionary, TKey key, Func<TKey,TValue> valueProvider);
static member GetValueOrAdd : System.Collections.Generic.IDictionary<'Key, 'Value> * 'Key * Func<'Key, 'Value> -> 'Value
<Extension()>
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<TKey,TValue>

The dictionary containing the specified key.

key
TKey

The key whose value to get.

valueProvider
Func<TKey,TValue>

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 .

Applies to