| error: const-stable function cannot use `#[feature(const_fn_fn_ptr_basics)]` | |
| --> $DIR/allow_const_fn_ptr.rs:6:16 | |
| | | |
| LL | const fn error(_: fn()) {} | |
| | ^ | |
| | | |
| help: if it is not part of the public API, make this function unstably const | |
| | | |
| LL | #[rustc_const_unstable(feature = "...", issue = "...")] | |
| | | |
| help: otherwise `#[allow_internal_unstable]` can be used to bypass stability checks | |
| | | |
| LL | #[allow_internal_unstable(const_fn_fn_ptr_basics)] | |
| | | |
| error: aborting due to previous error | |