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 #![feature(lang_items, no_std)]
14 // Check that explicit region bounds are allowed on the various
15 // nominal types (but not on other types) and that they are type
21 struct Inv<'a> { // invariant w/r/t 'a
26 fn method<'y:'x>(self, y: Inv<'y>);
29 fn caller1<'a,'b,F:Foo<'a>>(a: Inv<'a>, b: Inv<'b>, f: F) {
30 // Here the value provided for 'y is 'a, and hence 'a:'a holds.
34 fn caller2<'a,'b,F:Foo<'a>>(a: Inv<'a>, b: Inv<'b>, f: F) {
35 // Here the value provided for 'y is 'b, and hence 'b:'a does not hold.
36 f.method(b); //~ ERROR cannot infer
39 fn caller3<'a,'b:'a,F:Foo<'a>>(a: Inv<'a>, b: Inv<'b>, f: F) {
40 // Here the value provided for 'y is 'b, and hence 'b:'a holds.