33 lines
945 B
Rust
33 lines
945 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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// Check that we correctly prevent users from making trait objects
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// from traits where `Self : Sized`.
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trait Bar : Sized {
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fn bar<T>(&self, t: T);
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}
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fn make_bar<T:Bar>(t: &T) -> &Bar {
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t
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//~^ ERROR E0038
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//~| NOTE the trait cannot require that `Self : Sized`
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}
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fn make_bar_explicit<T:Bar>(t: &T) -> &Bar {
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t as &Bar
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//~^ ERROR E0038
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//~| NOTE the trait cannot require that `Self : Sized`
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//~| ERROR E0038
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}
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fn main() {
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}
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