Method operator|

Bcore/src/main/cpp/Dobby/tests/catch.hpp:6227–6229

template <typename DerivedT>
template <typename T>
auto ComposableParserImpl<DerivedT>::operator|(T const &other) const -> Parser {
  return Parser() | static_cast<DerivedT const &>(*this) | other;
}
} // namespace detail

// A Combined parser