25 lines
784 B
Rust
25 lines
784 B
Rust
#![deny(clippy::string_to_string)]
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#![allow(clippy::unnecessary_literal_unwrap, clippy::useless_vec)]
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fn main() {
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let variable1 = String::new();
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let v = &variable1;
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let variable2 = Some(v);
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let _ = variable2.map(String::to_string);
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//~^ string_to_string
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let _ = variable2.map(|x| {
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println!();
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x.to_string()
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});
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//~^^ string_to_string
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let _ = variable2.map(|x| x.to_string());
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//~^ string_to_string
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let x = Some(String::new());
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let _ = x.unwrap_or_else(|| v.to_string());
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//~^ string_to_string
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let _ = vec![String::new()].iter().map(String::to_string).collect::<Vec<_>>();
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//~^ string_to_string
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let _ = vec![String::new()].iter().map(|x| x.to_string()).collect::<Vec<_>>();
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//~^ string_to_string
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}
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