60 lines
1.2 KiB
C++
60 lines
1.2 KiB
C++
#pragma once
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#include <fc/utility.hpp>
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#include <memory>
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namespace fc
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{
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template<typename T>
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class unique_ptr
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{
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public:
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typedef T* pointer;
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explicit unique_ptr( pointer t = nullptr ):_p(t){}
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unique_ptr( unique_ptr&& m )
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:_p(m._p){ m._p = nullptr; }
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~unique_ptr() { delete _p; }
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operator bool()const { return _p != nullptr; }
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friend bool operator==(const unique_ptr& p, nullptr_t)
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{
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return p._p == nullptr;
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}
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friend bool operator!=(const unique_ptr& p, nullptr_t)
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{
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return p._p != nullptr;
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}
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unique_ptr& operator=( nullptr_t )
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{
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delete _p; _p = nullptr;
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}
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unique_ptr& operator=( unique_ptr&& o )
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{
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fc_swap( _p, o._p );
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return *this;
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}
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pointer operator->()const { return _p; }
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T& operator*()const { return *_p; }
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void reset( pointer v )
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{
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delete _p; _p = v;
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}
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pointer release()
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{
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auto tmp = _p;
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_p = nullptr;
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return tmp;
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}
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private:
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pointer _p;
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};
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}
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