blob: c2b54a972bdc0dcace0d3ef459c68037e1041141 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
// 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 when making a ref mut binding with type `&mut T`, the
// type `T` must match precisely the type `U` of the value being
// matched, and in particular cannot be some supertype of `U`. Issue
// #23116. This test focuses on a `match`.
#![allow(dead_code)]
struct S<'b>(&'b i32);
impl<'b> S<'b> {
fn bar<'a>(&'a mut self) -> &'a mut &'a i32 {
match self.0 { ref mut x => x } //~ ERROR mismatched types
}
}
fn main() {}
|
