2 // Ensures that single-word environments work right in unboxed closures.
3 // These take a different path in codegen.
5 fn a<F:Fn(isize, isize) -> isize>(f: F) -> isize {
9 fn b<F:FnMut(isize, isize) -> isize>(mut f: F) -> isize {
13 fn c<F:FnOnce(isize, isize) -> isize>(f: F) -> isize {
19 assert_eq!(a(move |x: isize, y| x + y + z), 13);
20 assert_eq!(b(move |x: isize, y| x + y + z), 17);
21 assert_eq!(c(move |x: isize, y| x + y + z), 21);