struct FlatHashMap(K, V = void, alias hasher = hashOf, string keyEqualPred = defaultKeyEqualPredOf!(K), Allocator = Mallocator, bool borrowChecked = false, bool useSmallLinearSearch = true, bool usePrimeCapacity = false)
static if(!(hasAddressLikeKey))
static if(!(isHoleable!K))
static if(__traits(hasMember, K, "nullifier"))
=
typeof(
K.init.nullifier)