rust/tests/ui/mem_replace.stderr
Jay Kickliter 598df08d88 Add lint for mem::replace(.., None).
Suggest `Option::take()` as an alternative.
2018-09-19 14:38:34 -07:00

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error: replacing an `Option` with `None`
--> $DIR/mem_replace.rs:8:13
|
8 | let _ = mem::replace(&mut an_option, None);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider `Option::take()` instead: `an_option.take()`
|
= note: `-D clippy::mem-replace-option-with-none` implied by `-D warnings`
error: aborting due to previous error