Cider Isn't Darwin Emulation, Really
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115// -*- C++ -*-//===----------------------------- iterator -------------------------------===////// The LLVM Compiler Infrastructure//// This file is distributed under the University of Illinois Open Source// License. See LICENSE.TXT for details.////===----------------------------------------------------------------------===//#ifndef _LIBCPP_EXPERIMENTAL_ITERATOR#define _LIBCPP_EXPERIMENTAL_ITERATOR/*namespace std { namespace experimental { inline namespace fundamentals_v2 { template <class DelimT, class charT = char, class traits = char_traits<charT>> class ostream_joiner { public: typedef charT char_type; typedef traits traits_type; typedef basic_ostream<charT, traits> ostream_type; typedef output_iterator_tag iterator_category; typedef void value_type; typedef void difference_type; typedef void pointer; typedef void reference; ostream_joiner(ostream_type& s, const DelimT& delimiter); ostream_joiner(ostream_type& s, DelimT&& delimiter); template<typename T> ostream_joiner& operator=(const T& value); ostream_joiner& operator*() noexcept; ostream_joiner& operator++() noexcept; ostream_joiner& operator++(int) noexcept; private: ostream_type* out_stream; // exposition only DelimT delim; // exposition only bool first_element; // exposition only }; template <class charT, class traits, class DelimT> ostream_joiner<decay_t<DelimT>, charT, traits> make_ostream_joiner(basic_ostream<charT, traits>& os, DelimT&& delimiter); } // inline namespace fundamentals_v2 } // namespace experimental} // namespace std*/#include <experimental/__config>#if _LIBCPP_STD_VER > 11#include <iterator>_LIBCPP_BEGIN_NAMESPACE_LFTStemplate <class _Delim, class _CharT = char, class _Traits = char_traits<_CharT>>class ostream_joiner {public: typedef _CharT char_type; typedef _Traits traits_type; typedef basic_ostream<char_type,traits_type> ostream_type; typedef output_iterator_tag iterator_category; typedef void value_type; typedef void difference_type; typedef void pointer; typedef void reference; ostream_joiner(ostream_type& __os, _Delim&& __d) : __output(_VSTD::addressof(__os)), __delim(_VSTD::move(__d)), __first(true) {} ostream_joiner(ostream_type& __os, const _Delim& __d) : __output(_VSTD::addressof(__os)), __delim(__d), __first(true) {} template<typename _Tp> ostream_joiner& operator=(const _Tp& __v) { if (!__first) *__output << __delim; __first = false; *__output << __v; return *this; } ostream_joiner& operator*() _NOEXCEPT { return *this; } ostream_joiner& operator++() _NOEXCEPT { return *this; } ostream_joiner& operator++(int) _NOEXCEPT { return *this; }private: ostream_type* __output; _Delim __delim; bool __first;};template <class _CharT, class _Traits, class _Delim>ostream_joiner<typename decay<_Delim>::type, _CharT, _Traits>make_ostream_joiner(basic_ostream<_CharT, _Traits>& __os, _Delim && __d){ return ostream_joiner<typename decay<_Delim>::type, _CharT, _Traits>(__os, _VSTD::forward<_Delim>(__d)); }_LIBCPP_END_NAMESPACE_LFTS#endif /* _LIBCPP_STD_VER > 11 */#endif // _LIBCPP_EXPERIMENTAL_ITERATOR