mirror of
https://github.com/rust-lang/rust-clippy
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15 lines
483 B
Rust
Executable file
15 lines
483 B
Rust
Executable file
#![feature(plugin)]
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#![plugin(clippy)]
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#[deny(option_unwrap_used, result_unwrap_used)]
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#[deny(str_to_string, string_to_string)]
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fn main() {
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let opt = Some(0);
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let _ = opt.unwrap(); //~ERROR used unwrap() on an Option
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let res: Result<i32, ()> = Ok(0);
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let _ = res.unwrap(); //~ERROR used unwrap() on a Result
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let string = "str".to_string(); //~ERROR `str.to_owned()` is faster
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let _again = string.to_string(); //~ERROR `String.to_string()` is a no-op
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}
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