mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-10 15:14:29 +00:00
21 lines
502 B
Rust
21 lines
502 B
Rust
#![warn(clippy::option_as_ref_cloned)]
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#![allow(clippy::clone_on_copy)]
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fn main() {
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let mut x = Some(String::new());
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let _: Option<String> = x.as_ref().cloned();
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let _: Option<String> = x.as_mut().cloned();
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let y = x.as_ref();
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let _: Option<&String> = y.as_ref().cloned();
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macro_rules! cloned_recv {
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() => {
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x.as_ref()
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};
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}
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// Don't lint when part of the expression is from a macro
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let _: Option<String> = cloned_recv!().cloned();
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}
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