42 lines
1,010 B
Rust
42 lines
1,010 B
Rust
// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(nll)]
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struct X(usize);
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impl X {
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fn zap(&self) {
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//~^ HELP
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//~| SUGGESTION &mut self
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self.0 = 32;
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//~^ ERROR
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}
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}
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fn main() {
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let ref foo = 16;
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//~^ HELP
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//~| SUGGESTION ref mut foo
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*foo = 32;
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//~^ ERROR
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if let Some(ref bar) = Some(16) {
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//~^ HELP
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//~| SUGGESTION ref mut bar
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*bar = 32;
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//~^ ERROR
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}
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match 16 {
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ref quo => { *quo = 32; },
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//~^ ERROR
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//~| HELP
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//~| SUGGESTION ref mut quo
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}
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}
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