src/test/ui/unboxed-closures/unboxed-closures-all-traits.rs

   1 // run-pass
   2 #![feature(lang_items)]
   3
   4 fn a<F:Fn(isize, isize) -> isize>(f: F) -> isize {
   5     f(1, 2)
   6 }
   7
   8 fn b<F:FnMut(isize, isize) -> isize>(mut f: F) -> isize {
   9     f(3, 4)
  10 }
  11
  12 fn c<F:FnOnce(isize, isize) -> isize>(f: F) -> isize {
  13     f(5, 6)
  14 }
  15
  16 fn main() {
  17     let z: isize = 7;
  18     assert_eq!(a(move |x: isize, y| x + y + z), 10);
  19     assert_eq!(b(move |x: isize, y| x + y + z), 14);
  20     assert_eq!(c(move |x: isize, y| x + y + z), 18);
  21 }