Module rustc_expand::mbe::metavar_expr

Enums

• MetaVarExpr 🔒
  A meta-variable expression, for expansions based on properties of meta-variables.
• MetaVarExprConcatElem 🔒
  Indicates what is placed in a concat parameter. For example, literals (${concat("foo", "bar")}) or adhoc identifiers (${concat(foo, bar)}).

Constants

• RAW_IDENT_ERR 🔒
• UNSUPPORTED_CONCAT_ELEM_ERR 🔒

Functions

• check_trailing_token 🔒
• eat_dollar 🔒
  Expects that the next item is a dollar sign.
• parse_count 🔒
  Parse a meta-variable count expression: count(ident[, depth])
• parse_depth 🔒
  Parses the depth used by index(depth) and len(depth).
• parse_ident 🔒
  Parses an generic ident
• parse_ident_from_token 🔒
• parse_token 🔒
• try_eat_comma 🔒
  Tries to move the iterator forward returning true if there is a comma. If not, then the iterator is not modified and the result is false.
• try_eat_dollar 🔒
  Tries to move the iterator forward returning true if there is a dollar sign. If not, then the iterator is not modified and the result is false.