Module util

Enums

• UnsupportedLiteralReason 🔒

Functions

• find_crate_name
• is_builtin_attr
• parse_version
  Parse a rustc version number written inside string literal in an attribute, like appears in since = "1.0.0". Suffixes like “-dev” and “-nightly” are not accepted in this position, unlike when parsing CFG_RELEASE.