1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 fn a<'a, 'b, 'c>(x: &mut &'a isize, y: &mut &'b isize, z: &mut &'c isize) where 'b: 'a + 'c {
12 // Note: this is legal because of the `'b:'a` declaration.
17 fn b<'a, 'b, 'c>(x: &mut &'a isize, y: &mut &'b isize, z: &mut &'c isize) {
18 // Illegal now because there is no `'b:'a` declaration.
19 *x = *y; //~ ERROR E0623
20 *z = *y; //~ ERROR E0623
23 fn c<'a,'b, 'c>(x: &mut &'a isize, y: &mut &'b isize, z: &mut &'c isize) {
24 // Here we try to call `foo` but do not know that `'a` and `'b` are
25 // related as required.
26 a(x, y, z); //~ ERROR cannot infer
30 // 'a and 'b are early bound in the function `a` because they appear
32 let _: fn(&mut &isize, &mut &isize, &mut &isize) = a; //~ ERROR mismatched types
36 // 'a and 'b are late bound in the function `b` because there are
38 let _: fn(&mut &isize, &mut &isize, &mut &isize) = b;