src/test/ui/span/issue-42234-unknown-receiver-type.full.stderr

   1 error[E0282]: type annotations needed
   2   --> $DIR/issue-42234-unknown-receiver-type.rs:9:24
   3    |
   4 LL |     let x: Option<_> = None;
   5    |                        ^^^^ cannot infer type of the type parameter `T` declared on the enum `Option`
   6    |
   7    = note: type must be known at this point
   8 help: consider specifying the generic argument
   9    |
  10 LL |     let x: Option<_> = None::<T>;
  11    |                            +++++
  12
  13 error[E0282]: type annotations needed
  14   --> $DIR/issue-42234-unknown-receiver-type.rs:15:10
  15    |
  16 LL |         .sum::<_>()
  17    |          ^^^ cannot infer type of the type parameter `S` declared on the associated function `sum`
  18    |
  19    = note: type must be known at this point
  20 help: consider specifying the generic argument
  21    |
  22 LL |         .sum::<_>()
  23    |             ~~~~~
  24
  25 error: aborting due to 2 previous errors
  26
  27 For more information about this error, try `rustc --explain E0282`.