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548 lines
12 KiB
548 lines
12 KiB
#pragma once
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#ifndef _STLUTIL_H_
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#define _STLUTIL_H_
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#include <stlxstdd.h>
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#ifdef _MSC_VER
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#pragma pack(push,8)
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#endif /* _MSC_VER */
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_STD_BEGIN
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// TEMPLATE STRUCT pair
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template<class _T1, class _T2> struct pair
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{
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typedef _T1 first_type;
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typedef _T2 second_type;
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pair()
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: first(_T1()), second(_T2())
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{
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}
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pair(const _T1& _V1, const _T2& _V2)
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: first(_V1), second(_V2)
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{
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}
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_T1 first;
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_T2 second;
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};
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template<class _T1, class _T2> inline
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bool __cdecl operator==(const pair<_T1, _T2>& _X,
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const pair<_T1, _T2>& _Y)
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{
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return (_X.first == _Y.first && _X.second == _Y.second);
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}
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template<class _T1, class _T2> inline
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bool __cdecl operator!=(const pair<_T1, _T2>& _X,
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const pair<_T1, _T2>& _Y)
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{
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return (!(_X == _Y));
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}
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template<class _T1, class _T2> inline
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bool __cdecl operator<(const pair<_T1, _T2>& _X,
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const pair<_T1, _T2>& _Y)
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{
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return (_X.first < _Y.first ||
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!(_Y.first < _X.first) && _X.second < _Y.second);
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}
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template<class _T1, class _T2> inline
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bool __cdecl operator>(const pair<_T1, _T2>& _X,
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const pair<_T1, _T2>& _Y)
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{
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return (_Y < _X);
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}
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template<class _T1, class _T2> inline
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bool __cdecl operator<=(const pair<_T1, _T2>& _X,
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const pair<_T1, _T2>& _Y)
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{
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return (!(_Y < _X));
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}
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template<class _T1, class _T2> inline
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bool __cdecl operator>=(const pair<_T1, _T2>& _X,
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const pair<_T1, _T2>& _Y)
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{
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return (!(_X < _Y));
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}
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template<class _T1, class _T2> inline
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pair<_T1, _T2> __cdecl make_pair(const _T1& _X, const _T2& _Y)
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{
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return (pair<_T1, _T2>(_X, _Y));
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}
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// ITERATOR TAGS (from <iterator>)
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struct input_iterator_tag
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{
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};
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struct output_iterator_tag
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{
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};
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struct forward_iterator_tag
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: public input_iterator_tag
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{
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};
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struct bidirectional_iterator_tag
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: public forward_iterator_tag
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{
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};
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struct random_access_iterator_tag
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: public bidirectional_iterator_tag
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{
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};
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// TEMPLATE CLASS iterator (from <iterator>)
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template<class _C, class _Ty, class _D = ptrdiff_t>
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struct iterator
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{
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typedef _C iterator_category;
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typedef _Ty value_type;
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typedef _D distance_type;
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};
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template<class _Ty, class _D>
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struct _Bidit : public iterator<bidirectional_iterator_tag, _Ty, _D>
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{
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};
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template<class _Ty, class _D>
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struct _Ranit : public iterator<random_access_iterator_tag, _Ty, _D>
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{
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};
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// TEMPLATE CLASS iterator_traits (from <iterator>)
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template<class _It>
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struct iterator_traits
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{
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typedef _It::iterator_category iterator_category;
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typedef _It::value_type value_type;
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typedef _It::distance_type distance_type;
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};
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// TEMPLATE FUNCTION _Iter_cat (from <iterator>)
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#if _MSC_VER >= 1200
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#pragma warning(push)
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#endif
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#pragma warning(disable:4700)
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template<class _C, class _Ty, class _D>
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inline
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_C __cdecl _Iter_cat(const iterator<_C, _Ty, _D>&)
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{
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_C _X;
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return (_X);
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}
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template<class _Ty>
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inline
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random_access_iterator_tag __cdecl _Iter_cat(const _Ty *)
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{
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random_access_iterator_tag _X;
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return (_X);
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}
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#if _MSC_VER >= 1200
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#pragma warning(pop)
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#else
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#pragma warning(default:4700)
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#endif
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// TEMPLATE FUNCTION _Distance
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template<class _II>
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inline
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_CNTSIZ(_II) __cdecl distance(_II _F, _II _L)
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{
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_CNTSIZ(_II) _N = 0;
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_Distance(_F, _L, _N, _Iter_cat(_F));
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return (_N);
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}
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template<class _II, class _D>
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inline
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void __cdecl _Distance(_II _F, _II _L, _D& _N)
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{
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_Distance(_F, _L, _N, _Iter_cat(_F));
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}
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template<class _II, class _D>
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inline
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void __cdecl _Distance(_II _F, _II _L, _D& _N, input_iterator_tag)
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{
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for (; _F != _L; ++_F)
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++_N;
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}
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template<class _II, class _D>
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inline
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void __cdecl _Distance(_II _F, _II _L, _D& _N, forward_iterator_tag)
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{
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for (; _F != _L; ++_F)
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++_N;
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}
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template<class _II, class _D>
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inline
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void __cdecl _Distance(_II _F, _II _L, _D& _N,
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bidirectional_iterator_tag)
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{
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for (; _F != _L; ++_F)
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++_N;
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}
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template<class _RI, class _D>
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inline
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void __cdecl _Distance(_RI _F, _RI _L, _D& _N,
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random_access_iterator_tag)
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{
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_N += (_D)(_L - _F);
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}
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// TEMPLATE CLASS reverse_iterator (from <iterator>)
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template<class _RI, class _Ty, class _Rt = _Ty&, class _Pt = _Ty *,
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class _D = ptrdiff_t>
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class reverse_iterator : public _Ranit<_Ty, _D>
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{
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public:
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typedef reverse_iterator<_RI, _Ty, _Rt, _Pt, _D> _Myt;
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typedef _RI iter_type;
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typedef _Rt reference_type;
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typedef _Pt pointer_type;
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reverse_iterator()
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{
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}
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explicit reverse_iterator(_RI _X)
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: current(_X)
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{
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}
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_RI base() const
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{
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return (current);
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}
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_Rt operator*() const
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{
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return (*(current - 1));
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}
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_Pt operator->() const
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{
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return (&**this);
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}
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_Myt& operator++()
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{
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--current;
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return (*this);
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}
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_Myt operator++(int)
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{
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_Myt _Tmp = *this;
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--current;
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return (_Tmp);
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}
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_Myt& operator--()
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{
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++current;
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return (*this);
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}
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_Myt operator--(int)
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{
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_Myt _Tmp = *this;
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++current;
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return (_Tmp);
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}
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_Myt& operator+=(_D _N)
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{
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current -= _N;
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return (*this);
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}
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_Myt operator+(_D _N) const
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{
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return (_Myt(current - _N));
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}
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_Myt& operator-=(_D _N)
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{
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current += _N;
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return (*this);
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}
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_Myt operator-(_D _N) const
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{
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return (_Myt(current + _N));
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}
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_Rt operator[](_D _N) const
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{
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return (*(*this + _N));
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}
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protected:
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_RI current;
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};
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template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
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inline
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bool __cdecl operator==(
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
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{
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return (_X.base() == _Y.base());
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}
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template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
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inline
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bool __cdecl operator!=(
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
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{
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return (!(_X == _Y));
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}
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template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
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inline
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bool __cdecl operator<(
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
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{
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return (_Y.base() < _X.base());
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}
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template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
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inline
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bool __cdecl operator>(
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
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{
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return (_Y < _X);
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}
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template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
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inline
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bool __cdecl operator<=(
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
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{
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return (!(_Y < _X));
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}
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template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
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inline
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bool __cdecl operator>=(
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
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{
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return (!(_X < _Y));
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}
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template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
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inline
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_D __cdecl operator-(
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _X,
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
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{
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return (_Y.base() - _X.base());
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}
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template<class _RI, class _Ty, class _Rt, class _Pt, class _D>
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inline
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reverse_iterator<_RI, _Ty, _Rt, _Pt, _D> __cdecl operator+(_D _N,
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const reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>& _Y)
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{
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return (reverse_iterator<_RI, _Ty, _Rt, _Pt, _D>(
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_Y.base() - _N));
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}
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/*
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// TEMPLATE CLASS istreambuf_iterator (from <iterator>)
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template<class _E, class _Tr = char_traits<_E> >
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class istreambuf_iterator :
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public iterator<input_iterator_tag, _E, _Tr::off_type>
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{
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public:
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typedef istreambuf_iterator<_E, _Tr> _Myt;
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typedef _E char_type;
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typedef _Tr traits_type;
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typedef _Tr::int_type int_type;
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typedef basic_streambuf<_E, _Tr> streambuf_type;
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typedef basic_istream<_E, _Tr> istream_type;
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istreambuf_iterator(streambuf_type *_Sb = 0) _THROW0()
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: _Sbuf(_Sb), _Got(_Sb == 0)
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{
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}
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istreambuf_iterator(istream_type& _I) _THROW0()
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: _Sbuf(_I.rdbuf()), _Got(_I.rdbuf() == 0)
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{
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}
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const _E& operator*() const
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{
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if (!_Got)
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((_Myt *)this)->_Peek();
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return (_Val);
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}
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const _E *operator->() const
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{
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return (&**this);
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}
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_Myt& operator++()
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{
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_Inc();
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return (*this);
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}
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_Myt operator++(int)
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{
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if (!_Got)
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_Peek();
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_Myt _Tmp = *this;
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_Inc();
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return (_Tmp);
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}
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bool equal(const _Myt& _X) const
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{
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if (!_Got)
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((_Myt *)this)->_Peek();
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if (!_X._Got)
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((_Myt *)&_X)->_Peek();
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return (_Sbuf == 0 && _X._Sbuf == 0
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|| _Sbuf != 0 && _X._Sbuf != 0);
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}
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private:
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void _Inc()
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{
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if (_Sbuf == 0
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|| _Tr::eq_int_type(_Tr::eof(), _Sbuf->sbumpc()))
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_Sbuf = 0, _Got = true;
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else
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_Got = false;
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}
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_E _Peek()
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{
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int_type _C;
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if (_Sbuf == 0
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|| _Tr::eq_int_type(_Tr::eof(), _C = _Sbuf->sgetc()))
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_Sbuf = 0;
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else
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_Val = _Tr::to_char_type(_C);
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_Got = true;
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return (_Val);
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}
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streambuf_type *_Sbuf;
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bool _Got;
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_E _Val;
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};
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template<class _E, class _Tr> inline
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bool __cdecl operator==(const istreambuf_iterator<_E, _Tr>& _X,
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const istreambuf_iterator<_E, _Tr>& _Y)
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{
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return (_X.equal(_Y));
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}
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template<class _E, class _Tr> inline
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bool __cdecl operator!=(const istreambuf_iterator<_E, _Tr>& _X,
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const istreambuf_iterator<_E, _Tr>& _Y)
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{
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return (!(_X == _Y));
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}
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// TEMPLATE CLASS ostreambuf_iterator (from <iterator>)
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template<class _E, class _Tr = char_traits<_E> >
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class ostreambuf_iterator :
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public iterator<output_iterator_tag, void, void>
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{
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typedef ostreambuf_iterator<_E, _Tr> _Myt;
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public:
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typedef _E char_type;
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typedef _Tr traits_type;
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typedef basic_streambuf<_E, _Tr> streambuf_type;
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typedef basic_ostream<_E, _Tr> ostream_type;
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ostreambuf_iterator(streambuf_type *_Sb) _THROW0()
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: _Failed(false), _Sbuf(_Sb)
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{
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}
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ostreambuf_iterator(ostream_type& _O) _THROW0()
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: _Failed(false), _Sbuf(_O.rdbuf())
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{
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}
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_Myt& operator=(_E _X)
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{
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if (_Sbuf == 0
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|| _Tr::eq_int_type(_Tr::eof(), _Sbuf->sputc(_X)))
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_Failed = true;
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return (*this);
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}
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_Myt& operator*()
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{
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return (*this);
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}
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_Myt& operator++()
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{
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return (*this);
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}
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_Myt& operator++(int)
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{
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return (*this);
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}
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bool failed() const _THROW0()
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{
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return (_Failed);
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}
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private:
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bool _Failed;
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streambuf_type *_Sbuf;
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};
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*/
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// TEMPLATE OPERATORS
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namespace rel_ops
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{
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template<class _Ty> inline
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bool __cdecl operator!=(const _Ty& _X, const _Ty& _Y)
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{
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return (!(_X == _Y));
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}
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template<class _Ty> inline
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bool __cdecl operator>(const _Ty& _X, const _Ty& _Y)
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{
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return (_Y < _X);
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}
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template<class _Ty> inline
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bool __cdecl operator<=(const _Ty& _X, const _Ty& _Y)
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{
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return (!(_Y < _X));
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}
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template<class _Ty> inline
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bool __cdecl operator>=(const _Ty& _X, const _Ty& _Y)
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{
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return (!(_X < _Y));
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}
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}
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_STD_END
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#ifdef _MSC_VER
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#pragma pack(pop)
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#endif /* _MSC_VER */
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#endif /* _STLUTIL_H_ */
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/*
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* Copyright (c) 1995 by P.J. Plauger. ALL RIGHTS RESERVED.
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* Consult your license regarding permissions and restrictions.
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*/
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/*
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* This file is derived from software bearing the following
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* restrictions:
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Permission to use, copy, modify, distribute and sell this
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* software and its documentation for any purpose is hereby
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* granted without fee, provided that the above copyright notice
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* appear in all copies and that both that copyright notice and
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* this permission notice appear in supporting documentation.
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* Hewlett-Packard Company makes no representations about the
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* suitability of this software for any purpose. It is provided
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* "as is" without express or implied warranty.
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*/
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