std Directory Reference

## Files

file | array.hpp
| Adapts `std::array` for use with Hana.
file | integer_sequence.hpp
| Adapts `std::integer_sequence` for use with Hana.
file | integral_constant.hpp
| Adapts `std::integral_constant` for use with Hana.
file | pair.hpp
| Adapts `std::pair` for use with Hana.
file | ratio.hpp
| Adapts `std::ratio` for use with Hana.
file | tuple.hpp
| Adapts `std::tuple` for use with Hana.
file | vector.hpp
| Adapts `std::vector` for use with Hana.