DictionaryExtensions.

GetOrAdd<TKey, TValue>(IDictionary<TKey, TValue>, TKey, Func<TKey, TValue>, Func<TValue, bool>) Method

Summary

Gets the element with the specified key in the dictionary or the new value returned from the getValue callback. If the shouldAdd callback returns then the new value is added to the dictionary.
Namespace
StrideToolkit.Collections
Containing Type
DictionaryExtensions

Syntax

public static TValue GetOrAdd<TKey, TValue>(this IDictionary<TKey, TValue> dicionary, TKey key, Func<TKey, TValue> getValue, Func<TValue, bool> shouldAdd)

Type Parameters

Name Description
TKey The type of keys in the dictionary.
TValue The type of values in the dictionary.

Parameters

Name Type Description
dicionary IDictionary<TKey, TValue> The dictionary to get element from.
key TKey The key of the element to get.
getValue Func<TKey, TValue> The callback delegate to return value if element with specified key does not exist in the dicionary.
shouldAdd Func<TValue, bool> The callback delegate to determine if the new value should be added to the dicionary.

Return Value

Type Description
TValue The element with the specified key, or the new value.