inline SPROUT_CONSTEXPR bool
operator<(sprout::array<T, N> const& lhs, sprout::array<T, N> const& rhs) {
return sprout::lexicographical_compare(lhs.begin(), lhs.end(), rhs.begin(), rhs.end());
}
inline SPROUT_CONSTEXPR std::size_t hash_value(sprout::array<T, N> const& v) {
return sprout::hash_range(v.begin(), v.end());
}
inline SPROUT_CONSTEXPR bool
operator==(sprout::array<T, N> const& lhs, sprout::array<T, N> const& rhs) {
return sprout::equal(lhs.begin(), lhs.end(), rhs.begin());
}