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1a4d82fc JJ |
1 | // Copyright 2012-2014 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. | |
4 | // | |
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. | |
10 | ||
11 | // ignore-pretty | |
12 | ||
13 | // (Closes #7911) Test that we can use the same self expression | |
14 | // with different mutability in macro in two methods | |
15 | ||
5bcae85e | 16 | #![allow(unused_variables)] // unused foobar_immut + foobar_mut |
85aaf69f SL |
17 | trait FooBar { |
18 | fn dummy(&self) { } | |
19 | } | |
1a4d82fc JJ |
20 | struct Bar(i32); |
21 | struct Foo { bar: Bar } | |
22 | ||
23 | impl FooBar for Bar {} | |
24 | ||
25 | trait Test { | |
26 | fn get_immut(&self) -> &FooBar; | |
27 | fn get_mut(&mut self) -> &mut FooBar; | |
28 | } | |
29 | ||
30 | macro_rules! generate_test { ($type_:path, $slf:ident, $field:expr) => ( | |
31 | impl Test for $type_ { | |
32 | fn get_immut(&$slf) -> &FooBar { | |
33 | &$field as &FooBar | |
34 | } | |
35 | ||
36 | fn get_mut(&mut $slf) -> &mut FooBar { | |
37 | &mut $field as &mut FooBar | |
38 | } | |
39 | } | |
40 | )} | |
41 | ||
42 | generate_test!(Foo, self, self.bar); | |
43 | ||
44 | pub fn main() { | |
45 | let mut foo: Foo = Foo { bar: Bar(42) }; | |
46 | { let foobar_immut = foo.get_immut(); } | |
47 | { let foobar_mut = foo.get_mut(); } | |
48 | } |