Removing a key/value pair from a ConcurrentDictionary given a value

Question

I have a concurrent dictionary with Ids as keys and tokens as values. There are instances where I will have an Id for which I want to remove tokens, and there are instances where I will have a specific token to remove. What could I call on the dictionary to find the pair with a specified value?

Tokens are unique to Ids.

Iterate through the collection and find the value, then try to remove the pair based on the key you found. — StingyJack
– StingyJack, Commented Oct 30, 2015 at 19:40

Bruno Leupi · Accepted Answer · 2015-10-30 19:50:13Z

5

What about searching the values and remove them in a loop?

var itemsToRemove = dictionary.Where(kvp => kvp.Value.Equals(token));
foreach (var item in itemsToRemove)
   dictionary.TryRemove(item.Key, out token);

answered Oct 30, 2015 at 19:50

Bruno Leupi

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