error: comparison to empty slice
  --> $DIR/comparison_to_empty.rs:8:13
   |
LL |     let _ = s == "";
   |             ^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()`
   |
   = note: `-D clippy::comparison-to-empty` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::comparison_to_empty)]`

error: comparison to empty slice
  --> $DIR/comparison_to_empty.rs:9:13
   |
LL |     let _ = s != "";
   |             ^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!s.is_empty()`

error: comparison to empty slice
  --> $DIR/comparison_to_empty.rs:12:13
   |
LL |     let _ = v == [];
   |             ^^^^^^^ help: using `is_empty` is clearer and more explicit: `v.is_empty()`

error: comparison to empty slice
  --> $DIR/comparison_to_empty.rs:13:13
   |
LL |     let _ = v != [];
   |             ^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!v.is_empty()`

error: comparison to empty slice using `if let`
  --> $DIR/comparison_to_empty.rs:14:8
   |
LL |     if let [] = &*v {}
   |        ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `(*v).is_empty()`

error: comparison to empty slice using `if let`
  --> $DIR/comparison_to_empty.rs:16:8
   |
LL |     if let [] = s {}
   |        ^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()`

error: comparison to empty slice using `if let`
  --> $DIR/comparison_to_empty.rs:17:8
   |
LL |     if let [] = &*s {}
   |        ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()`

error: comparison to empty slice using `if let`
  --> $DIR/comparison_to_empty.rs:18:8
   |
LL |     if let [] = &*s && s == [] {}
   |        ^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()`

error: comparison to empty slice
  --> $DIR/comparison_to_empty.rs:18:24
   |
LL |     if let [] = &*s && s == [] {}
   |                        ^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()`

error: aborting due to 9 previous errors