src/tools/clippy/tests/ui/bind_instead_of_map.stderr

error: using `Option.and_then(Some)`, which is a no-op
  --> tests/ui/bind_instead_of_map.rs:8:13
   |
LL |     let _ = x.and_then(Some);
   |             ^^^^^^^^^^^^^^^^ help: use the expression directly: `x`
   |
note: the lint level is defined here
  --> tests/ui/bind_instead_of_map.rs:1:9
   |
LL | #![deny(clippy::bind_instead_of_map)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: using `Option.and_then(|x| Some(y))`, which is more succinctly expressed as `map(|x| y)`
  --> tests/ui/bind_instead_of_map.rs:10:13
   |
LL |     let _ = x.and_then(|o| Some(o + 1));
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `x.map(|o| o + 1)`

error: using `Result.and_then(Ok)`, which is a no-op
  --> tests/ui/bind_instead_of_map.rs:17:13
   |
LL |     let _ = x.and_then(Ok);
   |             ^^^^^^^^^^^^^^ help: use the expression directly: `x`

error: using `Result.or_else(|x| Err(y))`, which is more succinctly expressed as `map_err(|x| y)`
  --> tests/ui/bind_instead_of_map.rs:32:31
   |
LL |     let _: Result<u32, u32> = res.or_else(|_| if b { panic!("should not happen") } else { Err(42) });
   |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: use `map_err` instead
   |
LL -     let _: Result<u32, u32> = res.or_else(|_| if b { panic!("should not happen") } else { Err(42) });
LL +     let _: Result<u32, u32> = res.map_err(|_| if b { panic!("should not happen") } else { 42 });
   |

error: aborting due to 4 previous errors