ImmutableInterlocked.TryUpdate<TKey,TValue> Method
Definition
Important
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Sets the specified key to the specified value if the specified key already is set to a specific value.
public:
generic <typename TKey, typename TValue>
static bool TryUpdate(System::Collections::Immutable::ImmutableDictionary<TKey, TValue> ^ % location, TKey key, TValue newValue, TValue comparisonValue);public static bool TryUpdate<TKey,TValue>(ref System.Collections.Immutable.ImmutableDictionary<TKey,TValue> location, TKey key, TValue newValue, TValue comparisonValue);static member TryUpdate : ImmutableDictionary * 'Key * 'Value * 'Value -> boolPublic Shared Function TryUpdate(Of TKey, TValue) (ByRef location As ImmutableDictionary(Of TKey, TValue), key As TKey, newValue As TValue, comparisonValue As TValue) As BooleanType Parameters
- TKey
The type of the keys contained in the collection.
- TValue
The type of the values contained in the collection.
Parameters
- location
- ImmutableDictionary<TKey,TValue>
The dictionary to update.
- key
- TKey
The key to update.
- newValue
- TValue
The new value to set.
- comparisonValue
- TValue
The current value for key in order for the update to succeed.
Returns
true if key and comparisonValue are present in the dictionary and comparison was updated to newValue; otherwise, false.
