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

Public Member Functions

template<typename Rng >
constexpr auto operator() (Rng &&rng) const -> range_reference_t< Rng > requires common_range< Rng > &&bidirectional_range< Rng >
 

Member Function Documentation

◆ operator()()

template<typename Rng >
constexpr auto ranges::back_fn::operator() ( Rng &&  rng) const -> range_reference_t<Rng> requires common_range<Rng> && bidirectional_range<Rng>
Returns
*prev(end(rng))