| error[E0635]: unknown feature `const_convert` |
| --> $DIR/try-operator.rs:6:12 |
| | |
| LL | #![feature(const_convert)] |
| | ^^^^^^^^^^^^^ |
| |
| error[E0015]: `?` is not allowed on `Result<(), ()>` in constant functions |
| --> $DIR/try-operator.rs:10:9 |
| | |
| LL | Err(())?; |
| | ^^^^^^^^ |
| | |
| = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants |
| |
| error[E0015]: `?` is not allowed on `Result<bool, ()>` in constant functions |
| --> $DIR/try-operator.rs:10:9 |
| | |
| LL | Err(())?; |
| | ^^^^^^^^ |
| | |
| = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants |
| |
| error[E0015]: `?` is not allowed on `Option<()>` in constant functions |
| --> $DIR/try-operator.rs:18:9 |
| | |
| LL | None?; |
| | ^^^^^ |
| | |
| = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants |
| |
| error[E0015]: `?` is not allowed on `Option<()>` in constant functions |
| --> $DIR/try-operator.rs:18:9 |
| | |
| LL | None?; |
| | ^^^^^ |
| | |
| = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants |
| |
| error: aborting due to 5 previous errors |
| |
| Some errors have detailed explanations: E0015, E0635. |
| For more information about an error, try `rustc --explain E0015`. |