// run-pass #![feature(generators)] fn main() { let a = || { { let w: i32 = 4; yield; println!("{:?}", w); } { let x: i32 = 5; yield; println!("{:?}", x); } { let y: i32 = 6; yield; println!("{:?}", y); } { let z: i32 = 7; yield; println!("{:?}", z); } }; assert_eq!(8, std::mem::size_of_val(&a)); }