31 lines
722 B
Rust
31 lines
722 B
Rust
// run-rustfix
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#![allow(unused_imports)]
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#![warn(
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clippy::all,
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clippy::style,
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clippy::mem_replace_option_with_none,
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clippy::mem_replace_with_default
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)]
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use std::mem;
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fn replace_option_with_none() {
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let mut an_option = Some(1);
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let _ = mem::replace(&mut an_option, None);
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let an_option = &mut Some(1);
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let _ = mem::replace(an_option, None);
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}
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fn replace_with_default() {
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let mut s = String::from("foo");
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let _ = std::mem::replace(&mut s, String::default());
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let s = &mut String::from("foo");
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let _ = std::mem::replace(s, String::default());
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let _ = std::mem::replace(s, Default::default());
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}
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fn main() {
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replace_option_with_none();
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replace_with_default();
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}
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