ranges::accumulate_fn Struct Reference

Public Member Functions
template<typename I , typename S , typename T , typename Op = plus, typename P = identity>
CPP_TEMPLATE_AUX_0	T (requires sentinel_for< S, I > &&input_iterator< I > &&indirectly_binary_invocable_< Op, T *, projected< I, P >> &&assignable_from< T &, indirect_result_t< Op &, T *, projected< I, P >>>) TTT operator()(I first

Public Attributes
CPP_TEMPLATE_AUX_0 S T	init
CPP_TEMPLATE_AUX_0 S	last
CPP_TEMPLATE_AUX_0 S T Op	op = Op{}
CPP_TEMPLATE_AUX_0 S T Op P	Op = plus
CPP_TEMPLATE_AUX_0 S T Op P	proj
CPP_TEMPLATE_AUX_0 S T Op P	T

Member Data Documentation

proj

CPP_TEMPLATE_AUX_0 S T Op P ranges::accumulate_fn::proj

Initial value:

= P{}) const
        {
            for(; first != last; ++first)
                init = invoke(op, init, invoke(proj, *first));
            return init;
        }
 
             template< typename Rng