1 // Copyright 2012 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 // Test lifetimes are linked properly when we create dependent region pointers.
14 #![feature(box_patterns)]
15 #![feature(box_syntax)]
30 #[derive(Copy, Clone)]
35 fn get_v1(a: &A) -> &isize {
36 // Region inferencer must deduce that &v < L2 < L1
37 let foo = &a.value; // L1
41 fn get_v2(a: &A, i: usize) -> &isize {
46 fn get_v3(a: &A, i: usize) -> &isize {
51 fn get_v4(a: &A, _i: usize) -> &isize {
56 fn get_v5(a: &A, _i: usize) -> &isize {
61 fn get_v6_a(a: &A, _i: usize) -> &isize {
68 fn get_v6_b(a: &A, _i: usize) -> &isize {
70 A { value: B { v6: Some(ref v), .. } } => &v.f,
75 fn get_v6_c(a: &A, _i: usize) -> &isize {
77 &A { value: B { v6: Some(ref v), .. } } => &v.f,
82 fn get_v5_ref(a: &A, _i: usize) -> &isize {
84 &B {v5: box C {f: ref v}, ..} => v
89 let a = A {value: B {v1: 22,
94 v6: Some(C { f: 31 })}};
97 assert_eq!(*p, a.value.v1);
99 let p = get_v2(&a, 1);
100 assert_eq!(*p, a.value.v2[1]);
102 let p = get_v3(&a, 1);
103 assert_eq!(*p, a.value.v3[1]);
105 let p = get_v4(&a, 1);
106 assert_eq!(*p, a.value.v4.f);
108 let p = get_v5(&a, 1);
109 assert_eq!(*p, a.value.v5.f);
111 let p = get_v6_a(&a, 1);
112 assert_eq!(*p, a.value.v6.unwrap().f);
114 let p = get_v6_b(&a, 1);
115 assert_eq!(*p, a.value.v6.unwrap().f);
117 let p = get_v6_c(&a, 1);
118 assert_eq!(*p, a.value.v6.unwrap().f);
120 let p = get_v5_ref(&a, 1);
121 assert_eq!(*p, a.value.v5.f);