| error[E0658]: `?` is not allowed on `Option<()>` in constant functions |
| --> $DIR/const-try-feature-gate.rs:4:5 |
| | |
| LL | Some(())?; |
| | ^^^^^^^^^ |
| | |
| = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants |
| = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information |
| = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| |
| error: `Try` is not yet stable as a const trait |
| --> $DIR/const-try-feature-gate.rs:4:5 |
| | |
| LL | Some(())?; |
| | ^^^^^^^^^ |
| | |
| help: add `#![feature(const_try)]` to the crate attributes to enable |
| | |
| LL + #![feature(const_try)] |
| | |
| |
| error[E0658]: `?` is not allowed on `Option<()>` in constant functions |
| --> $DIR/const-try-feature-gate.rs:4:5 |
| | |
| LL | Some(())?; |
| | ^^^^^^^^^ |
| | |
| = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants |
| = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information |
| = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable |
| = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date |
| |
| error: `FromResidual` is not yet stable as a const trait |
| --> $DIR/const-try-feature-gate.rs:4:5 |
| | |
| LL | Some(())?; |
| | ^^^^^^^^^ |
| | |
| help: add `#![feature(const_try)]` to the crate attributes to enable |
| | |
| LL + #![feature(const_try)] |
| | |
| |
| error: aborting due to 4 previous errors |
| |
| For more information about this error, try `rustc --explain E0658`. |