//ww:run-exit 48
package main;
type t = struct { s: int, u: size, n: i64, m: i64 };
fn ands(ts: *[]t, i: size) void = { (*ts)[i].m &= 6; };
fn xors(ts: *[]t, i: size) void = { (*ts)[i].m ^= 3; };
fn sars(ts: *[]t, i: size) void = { (*ts)[i].s >>= 2; };
fn shrs(ts: *[]t, i: size) void = { (*ts)[i].u >>= 1; };
export fn main() i32 = {
	let ts: []t = [];
	append(ts, t { s = -16, u = 8, n = 0, m = 7 });
	ands(&ts, 0);
	if (ts[0].m != 6) { return 1; };
	xors(&ts, 0);
	if (ts[0].m != 5) { return 2; };
	sars(&ts, 0);
	if (ts[0].s != -4) { return 3; };
	shrs(&ts, 0);
	if (ts[0].u != 4) { return 4; };
	return 48;
};