Function std_has

cpp/src/arrow/acero/asof_join_node.cc:82–84

template <typename T, typename V = typename T::value_type>
inline bool std_has(const T& container, const V& val) {
  return container.end() != std_find(container, val);
}

template <typename T, typename V = typename T::value_type,
          typename D = typename T::difference_type>