//ww:run-exit 42
package main;
type holder = struct { s: str, pad: i32 };
type box = struct { h: holder, tag: i32 };
fn put(b: *box) void = { b.h.s = "abc"; };
fn main() i32 = { let b: box; let empty: str; b.h.s = empty; b.h.pad = 0; b.tag = 0; put(&b); if (b.h.s.len == 3) { return 42; }; return 0; };