Method begin

include/stringzilla/stringzilla.hpp:840–840

    };

    iterator begin() const noexcept { return {string_view_type(haystack_), matcher_}; }
    iterator end() const noexcept { return {string_view_type(haystack_.end(), 0), matcher_, end_sentinel_type {}}; }
    size_type size() const noexcept { return static_cast<size_type>(ssize()); }
    difference_type ssize() const noexcept { return std::distance(begin(), end()); }