Range-v3
Range algorithms, views, and actions for the Standard Library
ranges::view::keys_fn Struct Reference

Synopsis of methods

constexpr view< keys_fnkeys {}
 

Public Member Functions

template<typename Rng >
auto operator() (Rng &&rng) const -> keys_range_view< all_t< Rng >> requires ViewableRange< Rng > &&InputRange< Rng > &&detail::PairLike< range_reference_t< Rng >>