44 lines
1.1 KiB
Rust
44 lines
1.1 KiB
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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trait Foo {
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fn foo(self);
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}
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trait Bar {
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fn bar(&self, x: &Self);
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}
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trait Baz {
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fn baz<T>(&self, x: &T);
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}
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impl Foo for int {
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fn foo(self) {}
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}
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impl Bar for int {
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fn bar(&self, _x: &int) {}
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}
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impl Baz for int {
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fn baz<T>(&self, _x: &T) {}
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}
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fn main() {
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let _: &Foo = &42i; //~ ERROR cannot convert to a trait object
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let _: &Bar = &42i; //~ ERROR cannot convert to a trait object
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let _: &Baz = &42i; //~ ERROR cannot convert to a trait object
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let _ = &42i as &Foo; //~ ERROR cannot convert to a trait object
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let _ = &42i as &Bar; //~ ERROR cannot convert to a trait object
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let _ = &42i as &Baz; //~ ERROR cannot convert to a trait object
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}
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