src/tools/clippy/tests/ui/flat_map_option.fixed

   1 // run-rustfix
   2 #![warn(clippy::flat_map_option)]
   3 #![allow(clippy::redundant_closure, clippy::unnecessary_filter_map)]
   4
   5 fn main() {
   6     // yay
   7     let c = |x| Some(x);
   8     let _ = [1].iter().filter_map(c);
   9     let _ = [1].iter().filter_map(Some);
  10
  11     // nay
  12     let _ = [1].iter().flat_map(|_| &Some(1));
  13 }