1 error: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. Consider changing the type to `&[...]`
2 --> $DIR/ptr_arg.rs:6:14
4 6 | fn do_vec(x: &Vec<i64>) {
7 = note: `-D ptr-arg` implied by `-D warnings`
9 error: writing `&String` instead of `&str` involves a new object where a slice will do. Consider changing the type to `&str`
10 --> $DIR/ptr_arg.rs:14:14
12 14 | fn do_str(x: &String) {
15 error: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. Consider changing the type to `&[...]`
16 --> $DIR/ptr_arg.rs:27:18
18 27 | fn do_vec(x: &Vec<i64>);
21 error: aborting due to 3 previous errors