63 template <typename iter_t, typename Item = typename iter_t::__item_t__>
74   const iter_t* thiz () const { return static_cast<const iter_t *> (this); }  in thiz()
75 	iter_t* thiz ()       { return static_cast<      iter_t *> (this); }  in thiz()
83   iter_t iter () const { return *thiz(); }  in iter()
84   iter_t operator + () const { return *thiz(); }  in operator +()
85   iter_t begin () const { return *thiz(); }  in begin()
86   iter_t end () const { return thiz()->__end__ (); }  in end()
99   iter_t& operator += (unsigned count) &  { thiz()->__forward__ (count); return *thiz(); }  in operator +=()
100   iter_t  operator += (unsigned count) && { thiz()->__forward__ (count); return *thiz(); }  in operator +=()
101   iter_t& operator ++ () &  { thiz()->__next__ (); return *thiz(); }  in operator ++()
102   iter_t  operator ++ () && { thiz()->__next__ (); return *thiz(); }  in operator ++()
103   iter_t& operator -= (unsigned count) &  { thiz()->__rewind__ (count); return *thiz(); }  in operator -=()
104   iter_t  operator -= (unsigned count) && { thiz()->__rewind__ (count); return *thiz(); }  in operator -=()
105   iter_t& operator -- () &  { thiz()->__prev__ (); return *thiz(); }  in operator --()
106   iter_t  operator -- () && { thiz()->__prev__ (); return *thiz(); }  in operator --()
107   iter_t operator + (unsigned count) const { auto c = thiz()->iter (); c += count; return c; }  in operator +()
108   friend iter_t operator + (unsigned count, const iter_t &it) { return it + count; }  in operator +()
109   iter_t operator ++ (int) { iter_t c (*thiz()); ++*thiz(); return c; }  in operator ++()
110   iter_t operator - (unsigned count) const { auto c = thiz()->iter (); c -= count; return c; }  in operator -()
111   iter_t operator -- (int) { iter_t c (*thiz()); --*thiz(); return c; }  in operator --()
113   iter_t& operator >> (T &v) &  { v = **thiz(); ++*thiz(); return *thiz(); }  in operator >>()
115   iter_t  operator >> (T &v) && { v = **thiz(); ++*thiz(); return *thiz(); }  in operator >>()
117   iter_t& operator << (const T v) &  { **thiz() = v; ++*thiz(); return *thiz(); }  in operator <<()
119   iter_t  operator << (const T v) && { **thiz() = v; ++*thiz(); return *thiz(); }  in operator <<()
189 template <typename iter_t, typename item_t = typename iter_t::__item_t__>
194   const iter_t* thiz () const { return static_cast<const iter_t *> (this); }  in thiz()
195 	iter_t* thiz ()       { return static_cast<      iter_t *> (this); }  in thiz()
205   { iter_t c (*thiz()); unsigned l = 0; while (c) { c++; l++; } return l; }  in __len__()
217   iter_t __end__ () const  in __end__()
235 template <typename iter_t, typename item_t = typename iter_t::__item_t__>
237   hb_iter_t<iter_t, item_t>,
238   hb_iter_fallback_mixin_t<iter_t, item_t>