1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Ensures that single-word environments work right in unboxed closures.
12 // These take a different path in codegen.
14 #![feature(overloaded_calls, unboxed_closures)]
16 fn a<F:Fn(int, int) -> int>(f: F) -> int {
20 fn b<F:FnMut(int, int) -> int>(mut f: F) -> int {
24 fn c<F:FnOnce(int, int) -> int>(f: F) -> int {
30 assert_eq!(a(|&: x: int, y| x + y + z), 13);
31 assert_eq!(b(|&mut: x: int, y| x + y + z), 17);
32 assert_eq!(c(|: x: int, y| x + y + z), 21);