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 LL |     x.unwrap().method_that_could_exist_on_some_type();
   7    |     ---------- type must be known at this point
   8    |
   9 help: consider specifying the generic argument
  10    |
  11 LL |     let x: Option<_> = None::<T>;
  12    |                            +++++
  13
  14 error[E0282]: type annotations needed
  15   --> $DIR/issue-42234-unknown-receiver-type.rs:15:10
  16    |
  17 LL |         .sum::<_>()
  18    |          ^^^ cannot infer type of the type parameter `S` declared on the associated function `sum`
  19    |
  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`.