static if(!(is(T == double)))
static if(!(is(T == int)))
static if(!(is(T == uint)))
static if(!(is(T == long)))
static if(!(is(T == ulong)))
static if(!(is(T : double)))
static if(!(is(T == V[string], V)))
static if(!(isSomeString!T))
static if(is(T == Nullable!A, A))