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

   1 error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
   2   --> $DIR/map_unwrap_or.rs:16:13
   3    |
   4 LL |       let _ = opt.map(|x| x + 1)
   5    |  _____________^
   6 LL | |         // Should lint even though this call is on a separate line.
   7 LL | |         .unwrap_or(0);
   8    | |_____________________^
   9    |
  10    = note: `-D clippy::map-unwrap-or` implied by `-D warnings`
  11 help: use `map_or(<a>, <f>)` instead
  12    |
  13 LL -     let _ = opt.map(|x| x + 1)
  14 LL +     let _ = opt.map_or(0, |x| x + 1);
  15    |
  16
  17 error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
  18   --> $DIR/map_unwrap_or.rs:20:13
  19    |
  20 LL |       let _ = opt.map(|x| {
  21    |  _____________^
  22 LL | |         x + 1
  23 LL | |     }
  24 LL | |     ).unwrap_or(0);
  25    | |__________________^
  26    |
  27 help: use `map_or(<a>, <f>)` instead
  28    |
  29 LL ~     let _ = opt.map_or(0, |x| {
  30 LL |         x + 1
  31 LL |     }
  32 LL ~     );
  33    |
  34
  35 error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
  36   --> $DIR/map_unwrap_or.rs:24:13
  37    |
  38 LL |       let _ = opt.map(|x| x + 1)
  39    |  _____________^
  40 LL | |         .unwrap_or({
  41 LL | |             0
  42 LL | |         });
  43    | |__________^
  44    |
  45 help: use `map_or(<a>, <f>)` instead
  46    |
  47 LL ~     let _ = opt.map_or({
  48 LL +             0
  49 LL ~         }, |x| x + 1);
  50    |
  51
  52 error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead
  53   --> $DIR/map_unwrap_or.rs:29:13
  54    |
  55 LL |     let _ = opt.map(|x| Some(x + 1)).unwrap_or(None);
  56    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  57    |
  58 help: use `and_then(<f>)` instead
  59    |
  60 LL -     let _ = opt.map(|x| Some(x + 1)).unwrap_or(None);
  61 LL +     let _ = opt.and_then(|x| Some(x + 1));
  62    |
  63
  64 error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead
  65   --> $DIR/map_unwrap_or.rs:31:13
  66    |
  67 LL |       let _ = opt.map(|x| {
  68    |  _____________^
  69 LL | |         Some(x + 1)
  70 LL | |     }
  71 LL | |     ).unwrap_or(None);
  72    | |_____________________^
  73    |
  74 help: use `and_then(<f>)` instead
  75    |
  76 LL ~     let _ = opt.and_then(|x| {
  77 LL |         Some(x + 1)
  78 LL |     }
  79 LL ~     );
  80    |
  81
  82 error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead
  83   --> $DIR/map_unwrap_or.rs:35:13
  84    |
  85 LL |       let _ = opt
  86    |  _____________^
  87 LL | |         .map(|x| Some(x + 1))
  88 LL | |         .unwrap_or(None);
  89    | |________________________^
  90    |
  91 help: use `and_then(<f>)` instead
  92    |
  93 LL -         .map(|x| Some(x + 1))
  94 LL +         .and_then(|x| Some(x + 1));
  95    |
  96
  97 error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead
  98   --> $DIR/map_unwrap_or.rs:46:13
  99    |
 100 LL |     let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id);
 101    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 102    |
 103 help: use `map_or(<a>, <f>)` instead
 104    |
 105 LL -     let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id);
 106 LL +     let _ = Some("prefix").map_or(id, |p| format!("{}.", p));
 107    |
 108
 109 error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value. This can be done more directly by calling `map_or_else(<g>, <f>)` instead
 110   --> $DIR/map_unwrap_or.rs:50:13
 111    |
 112 LL |       let _ = opt.map(|x| {
 113    |  _____________^
 114 LL | |         x + 1
 115 LL | |     }
 116 LL | |     ).unwrap_or_else(|| 0);
 117    | |__________________________^
 118
 119 error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value. This can be done more directly by calling `map_or_else(<g>, <f>)` instead
 120   --> $DIR/map_unwrap_or.rs:54:13
 121    |
 122 LL |       let _ = opt.map(|x| x + 1)
 123    |  _____________^
 124 LL | |         .unwrap_or_else(||
 125 LL | |             0
 126 LL | |         );
 127    | |_________^
 128
 129 error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value. This can be done more directly by calling `.map_or_else(<g>, <f>)` instead
 130   --> $DIR/map_unwrap_or.rs:66:13
 131    |
 132 LL |       let _ = res.map(|x| {
 133    |  _____________^
 134 LL | |         x + 1
 135 LL | |     }
 136 LL | |     ).unwrap_or_else(|_e| 0);
 137    | |____________________________^
 138
 139 error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value. This can be done more directly by calling `.map_or_else(<g>, <f>)` instead
 140   --> $DIR/map_unwrap_or.rs:70:13
 141    |
 142 LL |       let _ = res.map(|x| x + 1)
 143    |  _____________^
 144 LL | |         .unwrap_or_else(|_e| {
 145 LL | |             0
 146 LL | |         });
 147    | |__________^
 148
 149 error: aborting due to 11 previous errors
 150