// expect: 0 drop 7 1 1 1 0/ // destructors 6: the collector runs an unreachable value's drop after the sweep, exactly once; later collections never run it again include rt; int n; word g; fn make() { g = drop(heap(7), fn() { n++; rt.put_s("drop "); rt.put_n(*this); rt.put_c(32); }); return 0; } fn main() { make(); rt.gc(); rt.put_n(n); rt.put_c(32); g = 0; rt.gc(); rt.put_n(n); rt.put_c(32); rt.gc(); rt.put_n(n); rt.put_c(32); rt.gc(); rt.put_n(n); rt.put_c(32); rt.put_n(rt.dcount); rt.put_c(10); // its entry is gone with the block return 0; } // zc0: skip