tests/ui/filter_methods.stderr

   1 error: called `filter(p).map(q)` on an `Iterator`. This is more succinctly expressed by calling `.filter_map(..)` instead.
   2   --> $DIR/filter_methods.rs:8:21
   3    |
   4 8  |       let _: Vec<_> = vec![5; 6].into_iter()
   5    |  _____________________^
   6 9  | |                               .filter(|&x| x == 0)
   7 10 | |                               .map(|x| x * 2)
   8    | |_____________________________________________^
   9    |
  10    = note: `-D filter-map` implied by `-D warnings`
  11
  12 error: called `filter(p).flat_map(q)` on an `Iterator`. This is more succinctly expressed by calling `.flat_map(..)` and filtering by returning an empty Iterator.
  13   --> $DIR/filter_methods.rs:13:21
  14    |
  15 13 |       let _: Vec<_> = vec![5_i8; 6].into_iter()
  16    |  _____________________^
  17 14 | |                                 .filter(|&x| x == 0)
  18 15 | |                                 .flat_map(|x| x.checked_mul(2))
  19    | |_______________________________________________________________^
  20
  21 error: called `filter_map(p).flat_map(q)` on an `Iterator`. This is more succinctly expressed by calling `.flat_map(..)` and filtering by returning an empty Iterator.
  22   --> $DIR/filter_methods.rs:18:21
  23    |
  24 18 |       let _: Vec<_> = vec![5_i8; 6].into_iter()
  25    |  _____________________^
  26 19 | |                                 .filter_map(|x| x.checked_mul(2))
  27 20 | |                                 .flat_map(|x| x.checked_mul(2))
  28    | |_______________________________________________________________^
  29
  30 error: called `filter_map(p).map(q)` on an `Iterator`. This is more succinctly expressed by only calling `.filter_map(..)` instead.
  31   --> $DIR/filter_methods.rs:23:21
  32    |
  33 23 |       let _: Vec<_> = vec![5_i8; 6].into_iter()
  34    |  _____________________^
  35 24 | |                                 .filter_map(|x| x.checked_mul(2))
  36 25 | |                                 .map(|x| x.checked_mul(2))
  37    | |__________________________________________________________^
  38
  39 error: aborting due to 4 previous errors
  40