src/test/ui/inference/cannot-infer-closure-circular.stderr

   1 error[E0282]: type annotations needed for `Result<(), E>`
   2   --> $DIR/cannot-infer-closure-circular.rs:7:14
   3    |
   4 LL |     let x = |r| {
   5    |              ^
   6    |
   7 help: consider giving this closure parameter an explicit type, where the type for type parameter `E` is specified
   8    |
   9 LL |     let x = |r: Result<(), E>| {
  10    |               +++++++++++++++
  11
  12 error: aborting due to previous error
  13
  14 For more information about this error, try `rustc --explain E0282`.