100644 blob 395992bee98e47a88834fa53c49305b83d481aa3	begin_impl.hpp
100644 blob 355cf6ac24b46e1ca9e54f0888e1106952660da4	deref_impl.hpp
100644 blob d239c242d3e05459742603c1e771addd3374a752	end_impl.hpp
100644 blob c9cdafdf8a415bfd3068d87d10885b9f6dbaebdd	next_impl.hpp
100644 blob f975eb149e718783ce545165783c670dfe203527	value_of_impl.hpp