Add 'skip(size_t)' range utility to skip a number of elements

This commit is contained in:
Maxime Coste 2018-06-03 14:09:33 +10:00
parent 9387abed81
commit 087a940fbe

View File

@ -56,6 +56,24 @@ using IteratorOf = decltype(std::begin(std::declval<Range>()));
template<typename Range>
using ValueOf = typename Range::value_type;
template<typename Range>
struct SkipView
{
auto begin() const { return std::next(std::begin(m_range), m_skip_count); }
auto end() const { return std::end(m_range); }
Range m_range;
size_t m_skip_count;
};
inline auto skip(size_t count)
{
return make_view_factory([count](auto&& range) {
using Range = decltype(range);
return SkipView<decay_range<Range>>{std::forward<Range>(range), count};
});
}
template<typename Range, typename Filter>
struct FilterView
{