fold_bits func(value u8) u8 {
	return (~value & 255) xor 15
}

folded u8 :: fold_bits(240)
contextual u8 :: ~0 & 255
contextual_shift u8 :: 1 << 7
Buffer :: alias [u8(1) << 3]u8

runtime_left func(value u16, count u8) u16 {
	return value << count
}

c_count_shift func(value u8, count c_uint) u8 {
	return value << count
}

c_count_fold u8 :: c_count_shift(3, 2)

main func() i32 {
	buffer Buffer := undefined
	if (folded != 0) return 1
	if (contextual != 255) return 28
	if (contextual_shift != 128) return 29
	if (buffer.len != 8) return 2
	if ((u8(240) & u8(204)) != 192) return 3
	if ((u8(240) | u8(15)) != 255) return 4
	if ((u8(240) xor u8(255)) != 15) return 5
	if ((u8(129) << 1) != 2) return 6
	if ((i8(-4) >> 1) != -2) return 7
	if ((u8(128) >> 1) != 64) return 8
	if ((u8(64) <<| 2) != 255) return 9
	if ((i8(64) <<| 2) != 127) return 10
	if ((i8(-64) <<| 2) != -128) return 11
	if ((u8(1) <<| 8) != 255) return 12
	if ((u8(0) <<| 80) != 0) return 13
	if (runtime_left(3, 4) != 48) return 14
	if (c_count_shift(3, 2) != 12) return 30
	if (c_count_fold != 12) return 31
	if (~u16(0) != 65535) return 16
	if ((i16(-2) >> 1) != -1) return 17
	if ((u32(2147483648) >> 31) != 1) return 18
	if ((i32(-2147483647) << 1) != 2) return 19
	if ((~u64(0) >> 63) != 1) return 20
	if ((i64(-2) >> 1) != -1) return 21
	if ((c_uchar(128) >> 7) != 1) return 22
	if ((c_int(-2) >> 1) != -1) return 23
	if ((c_uint(3) << 4) != 48) return 24
	if ((c_ulonglong(1) <<| 64) != ~c_ulonglong(0)) return 25
	if ((c_ushort(240) xor c_ushort(255)) != 15) return 26
	if ((c_longlong(64) <<| 60) != maxval!(c_longlong)) return 27

	value u8 := 3
	value <<= 2
	value |= 1
	value xor= 5
	value &= 15
	value >>= 1
	value <<|= 7
	if (value != 255) return 15
	return 42
}