| // Copyright 2016 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. |
| |
| struct Test; |
| |
| impl FnOnce<(u32, u32)> for Test { |
| type Output = u32; |
| |
| extern "rust-call" fn call_once(self, (a, b): (u32, u32)) -> u32 { |
| a + b |
| } |
| //~^^^ ERROR rust-call ABI is subject to change (see issue #29625) |
| } |
| |
| fn main() { |
| assert_eq!(Test(1u32, 2u32), 3u32); |
| } |
