| error: const `impl` for trait `A` which is not marked with `#[const_trait]` | |
| --> $DIR/const-impl-requires-const-trait.rs:6:12 | |
| | | |
| LL | pub trait A {} | |
| | - help: mark `A` as const: `#[const_trait]` | |
| LL | | |
| LL | impl const A for () {} | |
| | ^ | |
| | | |
| = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const` | |
| = note: adding a non-const method body in the future would be a breaking change | |
| error: aborting due to 1 previous error | |