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

   1 error: unnecessary map of the identity function
   2   --> $DIR/map_identity.rs:8:47
   3    |
   4 LL |     let _: Vec<_> = x.iter().map(not_identity).map(|x| return x).collect();
   5    |                                               ^^^^^^^^^^^^^^^^^^ help: remove the call to `map`
   6    |
   7    = note: `-D clippy::map-identity` implied by `-D warnings`
   8
   9 error: unnecessary map of the identity function
  10   --> $DIR/map_identity.rs:9:57
  11    |
  12 LL |     let _: Vec<_> = x.iter().map(std::convert::identity).map(|y| y).collect();
  13    |                                                         ^^^^^^^^^^^ help: remove the call to `map`
  14
  15 error: unnecessary map of the identity function
  16   --> $DIR/map_identity.rs:9:29
  17    |
  18 LL |     let _: Vec<_> = x.iter().map(std::convert::identity).map(|y| y).collect();
  19    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the call to `map`
  20
  21 error: unnecessary map of the identity function
  22   --> $DIR/map_identity.rs:10:32
  23    |
  24 LL |     let _: Option<u8> = Some(3).map(|x| x);
  25    |                                ^^^^^^^^^^^ help: remove the call to `map`
  26
  27 error: unnecessary map of the identity function
  28   --> $DIR/map_identity.rs:11:36
  29    |
  30 LL |       let _: Result<i8, f32> = Ok(-3).map(|x| {
  31    |  ____________________________________^
  32 LL | |         return x;
  33 LL | |     });
  34    | |______^ help: remove the call to `map`
  35
  36 error: unnecessary map of the identity function
  37   --> $DIR/map_identity.rs:21:36
  38    |
  39 LL |     let _: Result<u32, u32> = Ok(1).map_err(|a| a);
  40    |                                    ^^^^^^^^^^^^^^^ help: remove the call to `map_err`
  41
  42 error: aborting due to 6 previous errors
  43