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[rustc.git] / src / test / compile-fail / unsized-struct.rs
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1// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
2// file at the top-level directory of this distribution and at
3// http://rust-lang.org/COPYRIGHT.
4//
5// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8// option. This file may not be copied, modified, or distributed
9// except according to those terms.
10
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11
12fn is_sized<T:Sized>() { }
13fn not_sized<T: ?Sized>() { }
223e47cc 14
970d7e83 15struct Foo<T> { data: T }
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16fn foo1<T>() { not_sized::<Foo<T>>() } // Hunky dory.
17fn foo2<T: ?Sized>() { not_sized::<Foo<T>>() }
54a0048b 18//~^ ERROR `T: std::marker::Sized` is not satisfied
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19//
20// Not OK: `T` is not sized.
21
22struct Bar<T: ?Sized> { data: T }
23fn bar1<T: ?Sized>() { not_sized::<Bar<T>>() }
24fn bar2<T: ?Sized>() { is_sized::<Bar<T>>() }
54a0048b 25//~^ ERROR `T: std::marker::Sized` is not satisfied
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26//
27// Not OK: `Bar<T>` is not sized, but it should be.
223e47cc 28
970d7e83 29fn main() { }