38 lines
1.3 KiB
Rust
38 lines
1.3 KiB
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 that the unboxed closure sugar can be used with an arbitrary
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// struct type and that it is equivalent to the same syntax using
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// angle brackets. This test covers only simple types and in
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// particular doesn't test bound regions.
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#![feature(unboxed_closures)]
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#![allow(dead_code)]
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use std::marker;
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trait Foo<T> {
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type Output;
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fn dummy(&self, t: T);
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}
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trait Eq<X: ?Sized> { }
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impl<X: ?Sized> Eq<X> for X { }
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fn eq<A: ?Sized,B: ?Sized +Eq<A>>() { }
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fn main() {
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eq::< for<'a> Foo<(&'a isize,), Output=&'a isize>,
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Foo(&isize) -> &isize >();
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eq::< for<'a> Foo<(&'a isize,), Output=(&'a isize, &'a isize)>,
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Foo(&isize) -> (&isize, &isize) >();
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let _: Foo(&isize, &usize) -> &usize; //~ ERROR missing lifetime specifier
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}
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