Method isExportDecl

include/ast/component/declarator.h:183–185

  }
  bool isAlias() const noexcept { return std::holds_alternative<Alias>(Decl); }
  bool isExportDecl() const noexcept {
    return std::holds_alternative<ExportDecl>(Decl);
  }

private:
  std::variant<std::unique_ptr<CoreDefType>, std::unique_ptr<DefType>, Alias,