ranges::v3::view::keys_fn Struct Reference

Synopsis of methods
constexpr view< keys_fn >	keys {}

Public Types
template<typename Rng >
using	Concept = meta::and_< InputRange< Rng >, detail::PairLike< range_reference_t< Rng > >>

Public Member Functions
template<typename Rng , requires = (Concept<Rng>())>
keys_range_view< all_t< Rng > >	operator() (Rng &&rng) const