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

Public Member Functions

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

Member Function Documentation

◆ operator()()

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