error: called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling `map(..)` instead
  --> $DIR/option_map_or_none.rs:13:26
   |
LL |     let _ :Option<i32> = opt.map_or(None, |x| Some(x + 1));
   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using `map` instead: `opt.map(|x| x + 1)`
   |
   = note: `-D clippy::option-map-or-none` implied by `-D warnings`

error: called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling `map(..)` instead
  --> $DIR/option_map_or_none.rs:16:26
   |
LL |       let _ :Option<i32> = opt.map_or(None, |x| {
   |  __________________________^
LL | |                         Some(x + 1)
LL | |                        });
   | |_________________________^
   |
help: try using `map` instead
   |
LL ~     let _ :Option<i32> = opt.map(|x| {
LL +                         x + 1
LL ~                        });
   |

error: called `map_or(None, ..)` on an `Option` value. This can be done more directly by calling `and_then(..)` instead
  --> $DIR/option_map_or_none.rs:20:26
   |
LL |     let _ :Option<i32> = opt.map_or(None, bar);
   |                          ^^^^^^^^^^^^^^^^^^^^^ help: try using `and_then` instead: `opt.and_then(bar)`

error: aborting due to 3 previous errors