Detect whether T is a built-in unsigned numeric type.
static assert( isUnsigned!uint && isUnsigned!ulong ); static assert( !isUnsigned!char && !isUnsigned!int && !isUnsigned!long && !isUnsigned!char && !isUnsigned!wchar && !isUnsigned!dchar );
See Implementation
Detect whether T is a built-in unsigned numeric type.