c85fb1933f
Fixes #38604 needs a crater run
27 lines
787 B
Rust
27 lines
787 B
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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trait Q<T:?Sized> {}
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trait Foo where u32: Q<Self> {
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fn foo(&self);
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}
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impl Q<()> for u32 {}
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impl Foo for () {
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fn foo(&self) {
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println!("foo!");
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}
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}
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fn main() {
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let _f: Box<Foo> = //~ ERROR `Foo` cannot be made into an object
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Box::new(()); //~ ERROR `Foo` cannot be made into an object
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}
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