error: replacing an `Option` with `None` --> $DIR/mem_replace.rs:16:13 | 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:18:13 | 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:23:13 | 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:26:13 | 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:27:13 | LL | let _ = std::mem::replace(s, Default::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:30:13 | LL | let _ = std::mem::replace(&mut v, Vec::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut v)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:31:13 | LL | let _ = std::mem::replace(&mut v, Default::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut v)` 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(&mut v, Vec::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut v)` 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(&mut v, vec![]); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut v)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:36:13 | LL | let _ = std::mem::replace(&mut hash_map, HashMap::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut hash_map)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:39:13 | LL | let _ = std::mem::replace(&mut btree_map, BTreeMap::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut btree_map)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:42:13 | LL | let _ = std::mem::replace(&mut vd, VecDeque::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut vd)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:45:13 | LL | let _ = std::mem::replace(&mut hash_set, HashSet::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut hash_set)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:48:13 | LL | let _ = std::mem::replace(&mut btree_set, BTreeSet::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut btree_set)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:51:13 | LL | let _ = std::mem::replace(&mut list, LinkedList::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut list)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:54:13 | LL | let _ = std::mem::replace(&mut binary_heap, BinaryHeap::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut binary_heap)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:57:13 | LL | let _ = std::mem::replace(&mut tuple, (vec![], BinaryHeap::new())); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut tuple)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:60:13 | LL | let _ = std::mem::replace(&mut refstr, ""); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut refstr)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:63:13 | LL | let _ = std::mem::replace(&mut slice, &[]); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut slice)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` --> $DIR/mem_replace.rs:91:13 | LL | let _ = std::mem::replace(&mut s, String::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut s)` error: aborting due to 20 previous errors