error: useless use of `vec!` --> $DIR/vec.rs:30:14 | LL | on_slice(&vec![]); | ^^^^^^^ help: you can use a slice directly: `&[]` | = note: `-D clippy::useless-vec` implied by `-D warnings` error: useless use of `vec!` --> $DIR/vec.rs:33:14 | LL | on_slice(&vec![1, 2]); | ^^^^^^^^^^^ help: you can use a slice directly: `&[1, 2]` error: useless use of `vec!` --> $DIR/vec.rs:36:14 | LL | on_slice(&vec![1, 2]); | ^^^^^^^^^^^ help: you can use a slice directly: `&[1, 2]` error: useless use of `vec!` --> $DIR/vec.rs:39:14 | LL | on_slice(&vec!(1, 2)); | ^^^^^^^^^^^ help: you can use a slice directly: `&[1, 2]` error: useless use of `vec!` --> $DIR/vec.rs:42:14 | LL | on_slice(&vec![1; 2]); | ^^^^^^^^^^^ help: you can use a slice directly: `&[1; 2]` error: useless use of `vec!` --> $DIR/vec.rs:55:14 | LL | for a in vec![1, 2, 3] { | ^^^^^^^^^^^^^ help: you can use a slice directly: `&[1, 2, 3]` error: aborting due to 6 previous errors