static if(is(ti == function))
static if(!(is(ReturnType!(ti) == bool)))
static if(!(is(ReturnType!(ti) == byte)))
static if(!(is(ReturnType!(ti) == short)))
static if(!(is(ReturnType!(ti) == int)))
static if(!(is(ReturnType!(ti) == long)))
static if(!(is(ReturnType!(ti) == ubyte)))
static if(!(is(ReturnType!(ti) == ushort)))
static if(!(is(ReturnType!(ti) == uint)))
static if(!(is(ReturnType!(ti) == ulong)))
static if(!(is(ReturnType!(ti) == float)))
static if(!(is(ReturnType!(ti) == double)))
static if(!(is(ReturnType!(ti) == Nullable!byte)))
static if(!(is(ReturnType!(ti) == Nullable!short)))
static if(!(is(ReturnType!(ti) == Nullable!int)))
static if(!(is(ReturnType!(ti) == Nullable!long)))
static if(!(is(ReturnType!(ti) == Nullable!ubyte)))
static if(!(is(ReturnType!(ti) == Nullable!ushort)))
static if(!(is(ReturnType!(ti) == Nullable!uint)))
static if(is(ReturnType!(ti) == Nullable!ulong))