-error[E0723]: function pointers in const fn are unstable
- --> $DIR/allow_const_fn_ptr.rs:5:16
+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()) {}
| ^
|
- = note: see issue #57563 <https://github.com/rust-lang/rust/issues/57563> for more information
- = help: add `#![feature(const_fn)]` to the crate attributes to enable
+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
-For more information about this error, try `rustc --explain E0723`.