+ /// Allows future-proofing enums/structs with the `#[non_exhaustive]` attribute (RFC 2008).
+ (accepted, non_exhaustive, "1.40.0", Some(44109), None),
+ /// Allows calling constructor functions in `const fn`.
+ (accepted, const_constructor, "1.40.0", Some(61456), None),
+ /// Allows the use of `#[cfg(doctest)]`, set when rustdoc is collecting doctests.
+ (accepted, cfg_doctest, "1.40.0", Some(62210), None),