bijectFromUnsigned

foreach (T; AliasSeq!(ubyte, ushort, uint, ulong)) {
	static assert(is(typeof(T.init.bijectToUnsigned) == T));
}

foreach (T; AliasSeq!(byte, short, int, long)) {
	static assert(is(typeof(T.init.bijectToUnsigned) == Unsigned!T));
}

static assert(is(typeof(char.init.bijectToUnsigned) == ubyte));
static assert(is(typeof(wchar.init.bijectToUnsigned) == ushort));
static assert(is(typeof(dchar.init.bijectToUnsigned) == uint));

const n = 1_000_000;
foreach (const i; 0 .. n) {
	foreach (T; AliasSeq!(bool, ubyte, ushort, uint, ulong, byte, short,
						  int, long, char, wchar, dchar, float, double)) {
		const T x = cast(T) i;
		auto y = x.bijectToUnsigned;
		// pragma(msg, "T:", T);
		// pragma(msg, "typeof(x):", typeof(x));
		// pragma(msg, "typeof(y):", typeof(y));
		T z;
		y.bijectFromUnsigned(z);
		assert(x == z);
	}
}