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// 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. | ||
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// xfail-pretty | ||
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// (Closes #7911) Test that we can use the same self expression | ||
// with different mutability in macro in two methods | ||
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#[allow(unused_variable)]; // unused foobar_immut + foobar_mut | ||
#[feature(macro_rules)]; | ||
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trait FooBar {} | ||
struct Bar(i32); | ||
struct Foo { bar: Bar } | ||
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impl FooBar for Bar {} | ||
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trait Test { | ||
fn get_immut<'r>(&'r self) -> &'r FooBar; | ||
fn get_mut<'r>(&'r mut self) -> &'r mut FooBar; | ||
} | ||
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macro_rules! generate_test(($type_:path, $field:expr) => ( | ||
impl Test for $type_ { | ||
fn get_immut<'r>(&'r self) -> &'r FooBar { | ||
&$field as &FooBar | ||
} | ||
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fn get_mut<'r>(&'r mut self) -> &'r mut FooBar { | ||
&mut $field as &mut FooBar | ||
} | ||
} | ||
)) | ||
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generate_test!(Foo, self.bar) | ||
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pub fn main() { | ||
let mut foo: Foo = Foo { bar: Bar(42) }; | ||
{ let foobar_immut = foo.get_immut(); } | ||
{ let foobar_mut = foo.get_mut(); } | ||
} |