1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
//@ build-pass #![feature(coroutines, stmt_expr_attributes)] #![allow(unused_assignments, dead_code)] fn main() { let _ = #[coroutine] || { let mut x = vec![22_usize]; std::mem::drop(x); match y() { true if { x = vec![]; false } => {} _ => { yield; } } }; } fn y() -> bool { true }