tests/ui/traits/copy-guessing.stderr

   1 error[E0282]: type annotations needed for `Option<T>`
   2   --> $DIR/copy-guessing.rs:20:9
   3    |
   4 LL |     let n = None;
   5    |         ^
   6    |
   7 help: consider giving `n` an explicit type, where the type for type parameter `T` is specified
   8    |
   9 LL |     let n: Option<T> = None;
  10    |          +++++++++++
  11
  12 error: aborting due to previous error
  13
  14 For more information about this error, try `rustc --explain E0282`.