error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace_macro.rs:9:9 | LL | std::mem::replace($s, Default::default()) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ... LL | take!(s); | --------- in this macro invocation | = note: `-D clippy::mem-replace-with-default` implied by `-D warnings` = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to previous error