b64f8b07c1
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
37 lines
877 B
C++
37 lines
877 B
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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// <map>
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// class map
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// size_type size() const;
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#include <map>
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#include <cassert>
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int main()
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{
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typedef std::map<int, double> M;
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M m;
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assert(m.size() == 0);
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m.insert(M::value_type(2, 1.5));
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assert(m.size() == 1);
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m.insert(M::value_type(1, 1.5));
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assert(m.size() == 2);
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m.insert(M::value_type(3, 1.5));
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assert(m.size() == 3);
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m.erase(m.begin());
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assert(m.size() == 2);
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m.erase(m.begin());
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assert(m.size() == 1);
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m.erase(m.begin());
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assert(m.size() == 0);
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}
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