error[E0282]: type annotations needed
  --> $DIR/or_else-multiple-type-params.rs:7:10
   |
LL |         .or_else(|err| {
   |          ^^^^^^^
   |          |
   |          cannot infer type for type parameter `F`
   |          help: consider specifying the type arguments in the method call: `or_else::<F, O>`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0282`.