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Diffstat (limited to 'data/iphoneos-sdk/v1/experimental/iterator')
-rwxr-xr-x | data/iphoneos-sdk/v1/experimental/iterator | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/data/iphoneos-sdk/v1/experimental/iterator b/data/iphoneos-sdk/v1/experimental/iterator new file mode 100755 index 000000000..ea672e966 --- /dev/null +++ b/data/iphoneos-sdk/v1/experimental/iterator @@ -0,0 +1,114 @@ +// -*- 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_LFTS + +template <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_iter(_VSTD::addressof(__os)), __delim(_VSTD::move(__d)), __first(true) {} + + ostream_joiner(ostream_type& __os, const _Delim& __d) + : __output_iter(_VSTD::addressof(__os)), __delim(__d), __first(true) {} + + + template<typename _Tp> + ostream_joiner& operator=(const _Tp& __v) + { + if (!__first) + *__output_iter << __delim; + __first = false; + *__output_iter << __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_iter; + _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 |