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MQL5 ReferenceStandard LibraryGeneric Data CollectionsIMap<TKey,TValue>Contains 

Contains

Determines whether a collection contains the key/value table with the specified key.

bool Contains(
   TKey    key,      // key
   TValue  value     // value
   );

Parameters

key

[in]  Key.

value

[in]  Value.

Return Value

Returns true, if the collection contains the key/value pair with the specified key and value, or false otherwise.

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