rust-clippy/tests/ui/unnecessary_reserve.stderr at f3dda972e58565929e422ae8f1ff145fe6b05d09 · chansuke/rust-clippy · GitHub

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error: unnecessary call to `reserve`
  --> $DIR/unnecessary_reserve.rs:14:18
   |
LL |   fn vec_reserve() {
   |  __________________^
LL | |     let mut vec: Vec<usize> = vec![];
LL | |     let array: &[usize] = &[1, 2];
LL | |
...  |
LL | |     vec.reserve(array.len());
   | |     ------------------------ help: remove this line
...  |
LL | |     vec.extend([1])
LL | | }
   | |_^
   |
   = note: `-D clippy::unnecessary-reserve` implied by `-D warnings`

error: unnecessary call to `reserve`
  --> $DIR/unnecessary_reserve.rs:27:5
   |
LL | /     {
LL | |         vec.reserve(array.len());
   | |         ------------------------ help: remove this line
LL | |         vec.extend(array)
LL | |     };
   | |_____^

error: unnecessary call to `reserve`
  --> $DIR/unnecessary_reserve.rs:14:18
   |
LL |   fn vec_reserve() {
   |  __________________^
LL | |     let mut vec: Vec<usize> = vec![];
LL | |     let array: &[usize] = &[1, 2];
LL | |
...  |
LL | |     vec.reserve(array.len());
   | |     ------------------------ help: remove this line
...  |
LL | |     vec.extend([1])
LL | | }
   | |_^

error: unnecessary call to `reserve`
  --> $DIR/unnecessary_reserve.rs:43:24
   |
LL |   fn vec_deque_reserve() {
   |  ________________________^
LL | |     let mut vec_deque: VecDeque<usize> = [1].into();
LL | |     let array: &[usize] = &[1, 2];
LL | |
...  |
LL | |     vec_deque.reserve(array.len());
   | |     ------------------------------ help: remove this line
...  |
LL | |     vec_deque.extend([1])
LL | | }
   | |_^

error: aborting due to 4 previous errors