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14 lines
391 B
Rust
14 lines
391 B
Rust
// 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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use std::collections::HashMap;
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fn main() {
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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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