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.
15 #![allow(unknown_features)]
16 #![feature(box_patterns)]
17 #![feature(box_syntax)]
32 #[derive(Copy, Clone)]
37 fn get_v1(a: &A) -> &isize {
38 // Region inferencer must deduce that &v < L2 < L1
39 let foo = &a.value; // L1
43 fn get_v2(a: &A, i: usize) -> &isize {
48 fn get_v3(a: &A, i: usize) -> &isize {
53 fn get_v4(a: &A, _i: usize) -> &isize {
58 fn get_v5(a: &A, _i: usize) -> &isize {
63 fn get_v6_a(a: &A, _i: usize) -> &isize {
70 fn get_v6_b(a: &A, _i: usize) -> &isize {
72 A { value: B { v6: Some(ref v), .. } } => &v.f,
77 fn get_v6_c(a: &A, _i: usize) -> &isize {
79 &A { value: B { v6: Some(ref v), .. } } => &v.f,
84 fn get_v5_ref(a: &A, _i: usize) -> &isize {
86 &B {v5: box C {f: ref v}, ..} => v
91 let a = A {value: B {v1: 22,
96 v6: Some(C { f: 31 })}};
99 assert_eq!(*p, a.value.v1);
101 let p = get_v2(&a, 1);
102 assert_eq!(*p, a.value.v2[1]);
104 let p = get_v3(&a, 1);
105 assert_eq!(*p, a.value.v3[1]);
107 let p = get_v4(&a, 1);
108 assert_eq!(*p, a.value.v4.f);
110 let p = get_v5(&a, 1);
111 assert_eq!(*p, a.value.v5.f);
113 let p = get_v6_a(&a, 1);
114 assert_eq!(*p, a.value.v6.unwrap().f);
116 let p = get_v6_b(&a, 1);
117 assert_eq!(*p, a.value.v6.unwrap().f);
119 let p = get_v6_c(&a, 1);
120 assert_eq!(*p, a.value.v6.unwrap().f);
122 let p = get_v5_ref(&a, 1);
123 assert_eq!(*p, a.value.v5.f);