Method swap

parser/macro.h:129–132

  }

  friend void swap(Macro& lhs, Macro& rhs) noexcept {
    using std::swap;
    swap(lhs.rep_, rhs.rep_);
  }

  ABSL_DEPRECATED("use MacroRegistry and RegisterStandardMacros")
  static std::vector<Macro> AllMacros();