41 lines
1.6 KiB
C++
41 lines
1.6 KiB
C++
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <iterator>
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// template <class T, class charT = char, class traits = char_traits<charT>,
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// class Distance = ptrdiff_t>
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// class ostream_iterator
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// : public iterator<output_iterator_tag, void, void, void, void>
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// {
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// public:
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// typedef charT char_type;
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// typedef traits traits_type;
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// typedef basic_istream<charT,traits> istream_type;
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// ...
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#include <iterator>
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#include <type_traits>
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int main()
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{
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typedef std::ostream_iterator<double> I1;
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static_assert((std::is_convertible<I1,
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std::iterator<std::output_iterator_tag, void, void, void, void> >::value), "");
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static_assert((std::is_same<I1::char_type, char>::value), "");
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static_assert((std::is_same<I1::traits_type, std::char_traits<char> >::value), "");
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static_assert((std::is_same<I1::ostream_type, std::ostream>::value), "");
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typedef std::ostream_iterator<unsigned, wchar_t> I2;
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static_assert((std::is_convertible<I2,
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std::iterator<std::output_iterator_tag, void, void, void, void> >::value), "");
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static_assert((std::is_same<I2::char_type, wchar_t>::value), "");
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static_assert((std::is_same<I2::traits_type, std::char_traits<wchar_t> >::value), "");
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static_assert((std::is_same<I2::ostream_type, std::wostream>::value), "");
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}
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