68       : __first_(__first), __last_(__last) {}  in __code_point_view()
70   _LIBCPP_HIDE_FROM_ABI constexpr bool __at_end() const noexcept { return __first_ == __last_; }  in __at_end()
71   _LIBCPP_HIDE_FROM_ABI constexpr const char* __position() const noexcept { return __first_; }  in __position()
74     _LIBCPP_ASSERT(__first_ != __last_, "can't move beyond the end of input");  in __consume()
79     switch (_VSTD::countl_one(static_cast<unsigned char>(*__first_))) {  in __consume()
81       return *__first_++;  in __consume()
84       if (__last_ - __first_ < 2 || !__unicode::__is_continuation(__first_ + 1, 1)) [[unlikely]]  in __consume()
87         char32_t __value = static_cast<unsigned char>(*__first_++) & 0x1f;  in __consume()
89         __value |= static_cast<unsigned char>(*__first_++) & 0x3f;  in __consume()
94       if (__last_ - __first_ < 3 || !__unicode::__is_continuation(__first_ + 1, 2)) [[unlikely]]  in __consume()
97         char32_t __value = static_cast<unsigned char>(*__first_++) & 0x0f;  in __consume()
99         __value |= static_cast<unsigned char>(*__first_++) & 0x3f;  in __consume()
101         __value |= static_cast<unsigned char>(*__first_++) & 0x3f;  in __consume()
106       if (__last_ - __first_ < 4 || !__unicode::__is_continuation(__first_ + 1, 3)) [[unlikely]]  in __consume()
109         char32_t __value = static_cast<unsigned char>(*__first_++) & 0x07;  in __consume()
111         __value |= static_cast<unsigned char>(*__first_++) & 0x3f;  in __consume()
113         __value |= static_cast<unsigned char>(*__first_++) & 0x3f;  in __consume()
115         __value |= static_cast<unsigned char>(*__first_++) & 0x3f;  in __consume()
122     ++__first_;  in __consume()
127   const char* __first_;
139       : __first_(__first), __last_(__last) {}  in __code_point_view()
141   _LIBCPP_HIDE_FROM_ABI constexpr const wchar_t* __position() const noexcept { return __first_; }  in __position()
142   _LIBCPP_HIDE_FROM_ABI constexpr bool __at_end() const noexcept { return __first_ == __last_; }  in __at_end()
145     _LIBCPP_ASSERT(__first_ != __last_, "can't move beyond the end of input");  in __consume()
148       char32_t __result = *__first_++;  in __consume()
153         if (__first_ == __last_) [[unlikely]]  in __consume()
158         __result += *__first_++ - 0xdc00;  in __consume()
164       char32_t __result = *__first_++;  in __consume()
176   const wchar_t* __first_;