MQL5 ReferenceStandard LibraryGeneric Data CollectionsCHashSet<T>Clear AddCountContainsComparerTrimExcessCopyToClearRemoveExceptWithIntersectWithSymmetricExceptWithUnionWithIsProperSubsetOfIsProperSupersetOfIsSubsetOfIsSupersetOfOverlapsSetEquals Clear Removes all elements from a set. void Clear(); CopyTo Remove