92529255c5
We've got a new revised message for E0273; just drop back to the error code, since the ui tests check for the full appearance now.
53 lines
1.3 KiB
Rust
53 lines
1.3 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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// Regression test for #18937.
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#![deny(extra_requirement_in_impl)]
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use std::fmt;
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#[derive(Debug)]
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struct MyString<'a>(&'a String);
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struct B {
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list: Vec<Box<fmt::Debug>>,
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}
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trait A<'a> {
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fn foo<F>(&mut self, f: F)
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where F: fmt::Debug + 'a,
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Self: Sized;
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}
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impl<'a> A<'a> for B {
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fn foo<F>(&mut self, f: F) //~ ERROR E0276
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//~^ WARNING future release
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where F: fmt::Debug + 'static,
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{
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self.list.push(Box::new(f));
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}
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}
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fn main() {
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let mut b = B { list: Vec::new() };
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// Create a borrowed pointer, put it in `b`, then drop what's borrowing it
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let a = "hello".to_string();
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b.foo(MyString(&a));
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// Drop the data which `b` has a reference to
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drop(a);
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// Use the data, probably segfaulting
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for b in b.list.iter() {
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println!("{:?}", b);
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}
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}
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