error: comparison to empty slice
  --> $DIR/comparison_to_empty.rs:10:13
   |
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`

error: comparison to empty slice
  --> $DIR/comparison_to_empty.rs:11:13
   |
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:14:13
   |
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:15:13
   |
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:16:8
   |
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:18:8
   |
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:19:8
   |
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:20:8
   |
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:20:24
   |
LL |     if let [] = &*s && s == [] {}
   |                        ^^^^^^^ help: using `is_empty` is clearer and more explicit: `s.is_empty()`

error: aborting due to 9 previous errors