//ww:run-exit 63
package main;
type capture = struct { content: str, start: size, end: size };
type t = struct { pc: size, cap: capture };
fn bump(cp: *capture) void = { cp.end += 100; };
export fn main() i32 = {
	let ts: []t = [];
	append(ts, t { pc = 5, cap = capture { content = "abc", start = 11, end = 13 } });
	append(ts, t { pc = 6, cap = capture { content = "wy", start = 21, end = 23 } });
	let cp: *capture = &ts[1].cap;
	if (cp.start != 21) { return 1; };
	bump(cp);
	if (ts[1].cap.end != 123) { return 2; };
	let pp: *[]t = &ts;
	let dp: *capture = &(*pp)[0].cap;
	if (dp.end != 13) { return 3; };
	return 63;
};