blob: 86e1b18a57416589e23af9a410c30c56857f078f (
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
|
// 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
#[feature(managed_boxes)];
trait MyIter {
fn test_imm(&self);
}
impl<'a> MyIter for &'a [int] {
fn test_imm(&self) { assert_eq!(self[0], 1) }
}
impl<'a> MyIter for &'a str {
fn test_imm(&self) { assert_eq!(*self, "test") }
}
pub fn main() {
// NB: Associativity of ~, etc. in this context is surprising. These must be parenthesized
([1]).test_imm();
(vec!(1)).as_slice().test_imm();
(&[1]).test_imm();
("test").test_imm();
(~"test").test_imm();
(&"test").test_imm();
// FIXME: Other types of mutable vecs don't currently exist
// 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
}
|
