blob: 82c090e16b4cc6463ba216b1d0c70dcc4783428a (
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
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
// Copyright 2012 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.
// Testing that method lookup automatically both borrows vectors to slices
// and also references them to create the &self pointer
trait MyIter {
pure fn test_imm(&self);
pure fn test_const(&const self);
}
impl &[int]: MyIter {
pure fn test_imm(&self) { assert self[0] == 1 }
pure fn test_const(&const self) { assert self[0] == 1 }
}
impl &str: MyIter {
pure fn test_imm(&self) { assert *self == "test" }
pure fn test_const(&const self) { assert *self == "test" }
}
fn main() {
// NB: Associativity of ~, etc. in this context is surprising. These must be parenthesized
([1]).test_imm();
(~[1]).test_imm();
(@[1]).test_imm();
(&[1]).test_imm();
("test").test_imm();
(~"test").test_imm();
(@"test").test_imm();
(&"test").test_imm();
// XXX: Other types of mutable vecs don't currently exist
(@mut [1]).test_imm();
([1]).test_const();
(~[1]).test_const();
(@[1]).test_const();
(&[1]).test_const();
("test").test_const();
(~"test").test_const();
(@"test").test_const();
(&"test").test_const();
(@mut [1]).test_const();
// NB: We don't do this double autoreffing for &mut self because that would
// allow creating a mutable pointer to a temporary, which would be a source
// of confusion
}
|
