| error[E0282]: type annotations needed for `RaceBuilder<T, Never<T>>` | |
| --> $DIR/issue-84073.rs:32:16 | |
| | | |
| LL | Race::new(|race| race.when()); | |
| | ^^^^ ---- type must be known at this point | |
| | | |
| help: consider giving this closure parameter an explicit type, where the type for type parameter `T` is specified | |
| | | |
| LL | Race::new(|race: RaceBuilder<T, Never<T>>| race.when()); | |
| | ++++++++++++++++++++++++++ | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0282`. |