src/test/ui/type-alias-impl-trait/closures_in_branches.stderr

   1 error[E0282]: type annotations needed
   2   --> $DIR/closures_in_branches.rs:21:10
   3    |
   4 LL |         |x| x.len()
   5    |          ^
   6    |
   7    = note: type must be known at this point
   8 help: consider giving this closure parameter an explicit type
   9    |
  10 LL |         |x: _| x.len()
  11    |           +++
  12
  13 error: aborting due to previous error
  14
  15 For more information about this error, try `rustc --explain E0282`.