rust-clippy/tests/ui/bind_instead_of_map_multipart.stderr

error: using `Option.and_then(|x| Some(y))`, which is more succinctly expressed as `map(|x| y)`
  --> $DIR/bind_instead_of_map_multipart.rs:5:13
   |
LL |     let _ = Some("42").and_then(|s| if s.len() < 42 { Some(0) } else { Some(s.len()) });
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
note: the lint level is defined here
  --> $DIR/bind_instead_of_map_multipart.rs:1:9
   |
LL | #![deny(clippy::bind_instead_of_map)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
help: try this
   |
LL |     let _ = Some("42").map(|s| if s.len() < 42 { 0 } else { s.len() });
   |                        ^^^                       ^          ^^^^^^^

error: using `Result.and_then(|x| Ok(y))`, which is more succinctly expressed as `map(|x| y)`
  --> $DIR/bind_instead_of_map_multipart.rs:8:13
   |
LL |     let _ = Ok::<_, ()>("42").and_then(|s| if s.len() < 42 { Ok(0) } else { Ok(s.len()) });
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: try this
   |
LL |     let _ = Ok::<_, ()>("42").map(|s| if s.len() < 42 { 0 } else { s.len() });
   |                               ^^^                       ^          ^^^^^^^

error: using `Result.or_else(|x| Err(y))`, which is more succinctly expressed as `map_err(|x| y)`
  --> $DIR/bind_instead_of_map_multipart.rs:11:13
   |
LL |     let _ = Err::<(), _>("42").or_else(|s| if s.len() < 42 { Err(s.len() + 20) } else { Err(s.len()) });
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: try this
   |
LL |     let _ = Err::<(), _>("42").map_err(|s| if s.len() < 42 { s.len() + 20 } else { s.len() });
   |                                ^^^^^^^                       ^^^^^^^^^^^^          ^^^^^^^

error: using `Option.and_then(|x| Some(y))`, which is more succinctly expressed as `map(|x| y)`
  --> $DIR/bind_instead_of_map_multipart.rs:19:5
   |
LL | /     Some("42").and_then(|s| {
LL | |         if {
LL | |             if s == "43" {
LL | |                 return Some(43);
...  |
LL | |         }
LL | |     });
   | |______^
   |
help: try this
   |
LL |     Some("42").map(|s| {
LL |         if {
LL |             if s == "43" {
LL |                 return 43;
LL |             }
LL |             s == "42"
 ...

error: using `Option.and_then(|x| Some(y))`, which is more succinctly expressed as `map(|x| y)`
  --> $DIR/bind_instead_of_map_multipart.rs:60:13
   |
LL |     let _ = Some("").and_then(|s| if s.len() == 20 { Some(m!()) } else { Some(Some(20)) });
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
help: try this
   |
LL |     let _ = Some("").map(|s| if s.len() == 20 { m!() } else { Some(20) });
   |                      ^^^                        ^^^^          ^^^^^^^^

error: aborting due to 5 previous errors