b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
//===----------------------------------------------------------------------===//
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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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// <unordered_map>
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// template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
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// class Alloc = allocator<pair<const Key, T>>>
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// class unordered_multimap
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// pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
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#include <unordered_map>
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#include <string>
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#include <cassert>
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int main()
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{
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{
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typedef std::unordered_multimap<int, std::string> C;
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typedef C::const_iterator I;
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typedef std::pair<int, std::string> P;
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P a[] =
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{
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P(10, "ten"),
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P(20, "twenty"),
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P(30, "thirty"),
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P(40, "fourty"),
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P(50, "fifty"),
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P(50, "fiftyA"),
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P(50, "fiftyB"),
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P(60, "sixty"),
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P(70, "seventy"),
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P(80, "eighty"),
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};
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const C c(std::begin(a), std::end(a));
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std::pair<I, I> r = c.equal_range(30);
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assert(std::distance(r.first, r.second) == 1);
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assert(r.first->first == 30);
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assert(r.first->second == "thirty");
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r = c.equal_range(5);
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assert(std::distance(r.first, r.second) == 0);
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r = c.equal_range(50);
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assert(r.first->first == 50);
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assert(r.first->second == "fifty");
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++r.first;
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assert(r.first->first == 50);
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assert(r.first->second == "fiftyA");
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++r.first;
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assert(r.first->first == 50);
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assert(r.first->second == "fiftyB");
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}
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}
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