61 lines
2.1 KiB
C++
61 lines
2.1 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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// <queue>
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// template <class T, class Container = vector<T>,
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// class Compare = less<typename Container::value_type>>
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// class priority_queue
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// {
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// public:
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// typedef Container container_type;
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// typedef typename container_type::value_type value_type;
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// typedef typename container_type::reference reference;
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// typedef typename container_type::const_reference const_reference;
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// typedef typename container_type::size_type size_type;
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//
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// protected:
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// container_type c;
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// Compare comp;
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#include <queue>
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#include <cassert>
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#include <type_traits>
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struct test
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: private std::priority_queue<int>
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{
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test()
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{
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c.push_back(1);
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assert(comp(1, 2));
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}
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};
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struct C
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{
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typedef int value_type;
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typedef int& reference;
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typedef const int& const_reference;
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typedef int size_type;
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};
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int main()
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{
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static_assert((std::is_same<std::priority_queue<int>::container_type, std::vector<int> >::value), "");
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static_assert((std::is_same<std::priority_queue<double, std::deque<int> >::container_type, std::deque<int> >::value), "");
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static_assert((std::is_same<std::priority_queue<double, std::deque<int> >::value_type, int>::value), "");
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static_assert((std::is_same<std::priority_queue<int>::reference, std::vector<int>::reference>::value), "");
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static_assert((std::is_same<std::priority_queue<int>::const_reference, std::vector<int>::const_reference>::value), "");
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static_assert((std::is_same<std::priority_queue<int>::size_type, std::vector<int>::size_type>::value), "");
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static_assert((std::uses_allocator<std::priority_queue<int>, std::allocator<int> >::value), "");
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static_assert((!std::uses_allocator<std::priority_queue<int, C>, std::allocator<int> >::value), "");
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test t;
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}
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