| // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // Ensures that single-word environments work right in unboxed closures. |
| // These take a different path in codegen. |
| |
| fn a<F:Fn(isize, isize) -> isize>(f: F) -> isize { |
| f(1, 2) |
| } |
| |
| fn b<F:FnMut(isize, isize) -> isize>(mut f: F) -> isize { |
| f(3, 4) |
| } |
| |
| fn c<F:FnOnce(isize, isize) -> isize>(f: F) -> isize { |
| f(5, 6) |
| } |
| |
| fn main() { |
| let z = 10; |
| assert_eq!(a(move |x: isize, y| x + y + z), 13); |
| assert_eq!(b(move |x: isize, y| x + y + z), 17); |
| assert_eq!(c(move |x: isize, y| x + y + z), 21); |
| } |
