di::concepts::detail::IndirectlyBinaryLeftFoldableHelper Concept Reference

#include <di/container/concepts/indirectly_binary_left_foldable.h>

Concept definition

template<typename F, typename T, typename Iter, typename R>
concept di::concepts::detail::IndirectlyBinaryLeftFoldableHelper = 
        Movable<T> && Movable<R> && ConvertibleTo<T, R> && Invocable<F&, R, meta::IteratorReference<Iter>> &&
        AssignableFrom<R&, meta::InvokeResult<F&, R, meta::IteratorReference<Iter>>>