error: replacing an `Option` with `None` --> $DIR/mem_replace.rs:23:13 | LL | 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: replacing an `Option` with `None` --> $DIR/mem_replace.rs:25:13 | LL | let _ = mem::replace(an_option, None); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider `Option::take()` instead: `an_option.take()` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:30:13 | LL | let _ = std::mem::replace(&mut s, String::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut s)` | = note: `-D clippy::mem-replace-with-default` implied by `-D warnings` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:32:13 | LL | let _ = std::mem::replace(s, String::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(s)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:33:13 | LL | let _ = std::mem::replace(s, Default::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(s)` error: aborting due to 5 previous errors