38 lines
1.4 KiB
Rust
38 lines
1.4 KiB
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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struct S1<T>(T) where (T): ?Sized;
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//~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
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struct S2<T>(T) where u8: ?Sized;
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//~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
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struct S3<T>(T) where &'static T: ?Sized;
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//~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
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trait Trait<'a> {}
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struct S4<T>(T) where for<'a> T: ?Trait<'a>;
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//~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
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struct S5<T>(*const T) where T: ?Trait<'static> + ?Sized;
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//~^ ERROR type parameter has more than one relaxed default bound
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//~| WARN default bound relaxed for a type parameter
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impl<T> S1<T> {
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fn f() where T: ?Sized {}
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//~^ ERROR `?Trait` bounds are only permitted at the point where a type parameter is declared
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}
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fn main() {
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let u = vec![1, 2, 3];
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let _s: S5<[u8]> = S5(&u[..]); // OK
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}
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