struct HybridHashMap(K, V = void, alias hasher = hashOf, string keyEqualPred = defaultKeyEqualPredOf!(K), Allocator = Mallocator, BorrowCheckFlag borrowCheckFlag = BorrowCheckFlag.no, uint linearSearchMaxSize = 64, PrimeCapacityFlag primeCapacityFlag = PrimeCapacityFlag.no)
const scope @trusted
bool
contains
Check if element is stored.
Parameter key may be non-immutable, for instance const(char)[] eventhough key type K is string.