27 lines
742 B
Rust
27 lines
742 B
Rust
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(unboxed_closures)]
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#![feature(fn_traits)]
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struct Test;
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impl FnOnce<(u32, u32)> for Test {
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type Output = u32;
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extern "rust-call" fn call_once(self, (a, b): (u32, u32)) -> u32 {
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a + b
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}
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}
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fn main() {
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assert_eq!(Test(1u32, 2u32), 3u32);
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}
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