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// 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.
// Attempt to change the type as well as unsizing.
#![feature(unsized_tuple_coercion)]
struct Fat<T: ?Sized> {
ptr: T
}
struct Foo;
trait Bar { fn bar(&self) {} }
pub fn main() {
// With a vec of isize.
let f1 = Fat { ptr: [1, 2, 3] };
let f2: &Fat<[isize; 3]> = &f1;
let f3: &Fat<[usize]> = f2;
//~^ ERROR mismatched types
// With a trait.
let f1 = Fat { ptr: Foo };
let f2: &Fat<Foo> = &f1;
let f3: &Fat<Bar> = f2;
//~^ ERROR `Foo: Bar` is not satisfied
// Tuple with a vec of isize.
let f1 = ([1, 2, 3],);
let f2: &([isize; 3],) = &f1;
let f3: &([usize],) = f2;
//~^ ERROR mismatched types
// Tuple with a trait.
let f1 = (Foo,);
let f2: &(Foo,) = &f1;
let f3: &(Bar,) = f2;
//~^ ERROR `Foo: Bar` is not satisfied
}
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