rust/src/test/compile-fail/trait-object-safety.rs

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2014-12-30 00:03:51 -06:00
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Check that static methods are not object-safe.
trait Tr {
fn foo();
}
struct St;
impl Tr for St {
fn foo() {}
}
fn main() {
let _: &Tr = &St; //~ ERROR cannot convert to a trait object because trait `Tr` is not
}