35 lines
853 B
Rust
35 lines
853 B
Rust
// Copyright 2014 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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// Test unboxed closure sugar used in object types.
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#![allow(dead_code)]
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struct Foo<T,U> {
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t: T, u: U
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}
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trait Getter<A,R> {
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fn get(&self, arg: A) -> R;
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}
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struct Identity;
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impl<X> Getter<X,X> for Identity {
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fn get(&self, arg: X) -> X {
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arg
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}
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}
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fn main() {
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let x: &Getter<(i32,), (i32,)> = &Identity;
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let (y,) = x.get((22,));
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assert_eq!(y, 22);
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}
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