25 lines
863 B
Rust
25 lines
863 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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// When mutably indexing a type that implements `Index` but not `IndexMut`, a
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// special 'help' message is added to the output.
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fn main() {
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use std::collections::HashMap;
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let mut map = HashMap::new();
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map.insert("peter", "23".to_string());
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map["peter"].clear(); //~ ERROR
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map["peter"] = "0".to_string(); //~ ERROR
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let _ = &mut map["peter"]; //~ ERROR
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}
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