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RC.h
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17
RC.h
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#pragma once
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class RC
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{
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public:
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RC() : _rc(new int[1]) { *_rc = 1; };
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RC(const RC &r) noexcept : _rc(r._rc) { *_rc += 1; }
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RC(RC &&r) noexcept : _rc(r._rc) { }
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~RC() { if (!--*_rc) delete[] _rc; };
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int rc() { return *_rc; }
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bool last() { return *_rc == 1; }
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private:
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int* _rc;
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};
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