Compatibility macros for NSNumber literals

gistfile1.m

#if __has_feature(objc_bool)
# define $YES @YES
# define $NO @NO
# define $i(x) @##x
# define $ui(x) @##x
# define $l(x) @##x
# define $ul(x) @##x
# define $ll(x) @##x
# define $ull(x) @##x
# define $f(x) @##x
# define $d(x) @##x
#else
# define $YES [NSNumber numberWithBool: YES]
# define $NO [NSNumber numberWithBool: NO]
# define $i(x) [NSNumber numberWithInt: x]
# define $ui(x) [NSNumber numberWithUnsignedInt: x]
# define $l(x) [NSNumber numberWithLong: x]
# define $ul(x) [NSNumber numberWithUnsignedLong: x]
# define $ll(x) [NSNumber numberWithLongLong: x]
# define $ull(x) [NSNumber numberWithUnsignedLongLong: x]
# define $f(x) [NSNumber numberWithFloat: x]
# define $d(x) [NSNumber numberWithDouble: x]
#endif