25 lines
804 B
C++
25 lines
804 B
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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// struct forward_iterator_tag: public input_iterator_tag {};
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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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std::forward_iterator_tag tag;
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static_assert((std::is_base_of<std::input_iterator_tag,
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std::forward_iterator_tag>::value), "");
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static_assert((!std::is_base_of<std::output_iterator_tag,
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std::forward_iterator_tag>::value), "");
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}
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