Module stability

Parsing and validation of builtin attributes

Functions

• find_body_stability
  Collects stability info from rustc_default_body_unstable attributes in attrs. Returns None if no stability attributes are found.
• find_const_stability
  Collects stability info from rustc_const_stable/rustc_const_unstable/rustc_promotable attributes in attrs. Returns None if no stability attributes are found.
• find_stability
  Collects stability info from stable/unstable/rustc_allowed_through_unstable_modules attributes in attrs. Returns None if no stability attributes are found.
• insert_or_error 🔒
• parse_stability 🔒
  Read the content of a stable/rustc_const_stable attribute, and return the feature name and its stability information.
• parse_unstability 🔒
  Read the content of a unstable/rustc_const_unstable/rustc_default_body_unstable attribute, and return the feature name and its stability information.
• unmarked_crate_const_stab
  Calculates the const stability for a const function in a -Zforce-unstable-if-unmarked crate without the staged_api feature.