williamr@2: /*
williamr@2:  *
williamr@2:  * Copyright (c) 1994
williamr@2:  * Hewlett-Packard Company
williamr@2:  *
williamr@2:  * Copyright (c) 1996,1997
williamr@2:  * Silicon Graphics Computer Systems, Inc.
williamr@2:  *
williamr@2:  * Copyright (c) 1997
williamr@2:  * Moscow Center for SPARC Technology
williamr@2:  *
williamr@4:  * Copyright (c) 1999
williamr@2:  * Boris Fomitchev
williamr@2:  *
williamr@2:  * This material is provided "as is", with absolutely no warranty expressed
williamr@2:  * or implied. Any use is at your own risk.
williamr@2:  *
williamr@4:  * Permission to use or copy this software for any purpose is hereby granted
williamr@2:  * without fee, provided the above notices are retained on all copies.
williamr@2:  * Permission to modify the code and to distribute modified code is granted,
williamr@2:  * provided the above notices are retained, and a notice that the code was
williamr@2:  * modified is included with the above copyright notice.
williamr@2:  *
williamr@2:  */
williamr@2: 
williamr@2: 
williamr@2: /* NOTE: This is an internal header file, included by other STL headers.
williamr@2:  *   You should not attempt to use it directly.
williamr@2:  */
williamr@2: 
williamr@2: #ifndef _STLP_INTERNAL_PAIR_H
williamr@2: #define _STLP_INTERNAL_PAIR_H
williamr@2: 
williamr@4: #if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
williamr@4: #  include <stl/type_traits.h>
williamr@4: #endif
williamr@4: 
williamr@4: #ifndef _STLP_MOVE_CONSTRUCT_FWK_H
williamr@4: #  include <stl/_move_construct_fwk.h>
williamr@4: #endif
williamr@2: 
williamr@2: _STLP_BEGIN_NAMESPACE
williamr@2: 
williamr@2: template <class _T1, class _T2>
williamr@2: struct pair {
williamr@2:   typedef _T1 first_type;
williamr@2:   typedef _T2 second_type;
williamr@2: 
williamr@2:   _T1 first;
williamr@2:   _T2 second;
williamr@4: #if defined (_STLP_CONST_CONSTRUCTOR_BUG)
williamr@2:   pair() {}
williamr@4: #else
williamr@2:   pair() : first(_T1()), second(_T2()) {}
williamr@4: #endif
williamr@2:   pair(const _T1& __a, const _T2& __b) : first(__a), second(__b) {}
williamr@2: 
williamr@2: #if defined (_STLP_MEMBER_TEMPLATES) && !(defined (_STLP_MSVC) && (_STLP_MSVC < 1200))
williamr@2:   template <class _U1, class _U2>
williamr@2:   pair(const pair<_U1, _U2>& __p) : first(__p.first), second(__p.second) {}
williamr@2: 
williamr@2:   pair(const pair<_T1,_T2>& __o) : first(__o.first), second(__o.second) {}
williamr@2: #endif
williamr@4: 
williamr@4:   pair(__move_source<pair<_T1, _T2> > src) : first(_STLP_PRIV _AsMoveSource(src.get().first)),
williamr@4:                                              second(_STLP_PRIV _AsMoveSource(src.get().second))
williamr@4:   {}
williamr@4: 
williamr@2:   __TRIVIAL_DESTRUCTOR(pair)
williamr@2: };
williamr@2: 
williamr@2: template <class _T1, class _T2>
williamr@2: inline bool _STLP_CALL operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
williamr@4: { return __x.first == __y.first && __x.second == __y.second; }
williamr@4: 
williamr@4: template <class _T1, class _T2>
williamr@4: inline bool _STLP_CALL operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) {
williamr@4:   return __x.first < __y.first ||
williamr@4:          (!(__y.first < __x.first) && __x.second < __y.second);
williamr@2: }
williamr@2: 
williamr@4: #if defined (_STLP_USE_SEPARATE_RELOPS_NAMESPACE)
williamr@2: template <class _T1, class _T2>
williamr@4: inline bool _STLP_CALL operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
williamr@4: { return !(__x == __y); }
williamr@2: 
williamr@2: template <class _T1, class _T2>
williamr@4: inline bool _STLP_CALL operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
williamr@4: { return __y < __x; }
williamr@2: 
williamr@2: template <class _T1, class _T2>
williamr@4: inline bool _STLP_CALL operator<=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
williamr@4: { return !(__y < __x); }
williamr@2: 
williamr@2: template <class _T1, class _T2>
williamr@4: inline bool _STLP_CALL operator>=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
williamr@4: { return !(__x < __y); }
williamr@2: #endif /* _STLP_USE_SEPARATE_RELOPS_NAMESPACE */
williamr@2: 
williamr@4: #if defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER) && !defined (_STLP_NO_EXTENSIONS)
williamr@2: template <class _T1, class _T2, int _Sz>
williamr@2: inline pair<_T1, _T2 const*> make_pair(_T1 const& __x,
williamr@2:                                        _T2 const (&__y)[_Sz])
williamr@4: { return pair<_T1, _T2 const*>(__x, static_cast<_T2 const*>(__y)); }
williamr@2: 
williamr@2: template <class _T1, class _T2, int _Sz>
williamr@2: inline pair<_T1 const*, _T2> make_pair(_T1 const (&__x)[_Sz],
williamr@2:                                        _T2 const& __y)
williamr@4: { return pair<_T1 const*, _T2>(static_cast<_T1 const*>(__x), __y); }
williamr@2: 
williamr@2: template <class _T1, class _T2, int _Sz1, int _Sz2>
williamr@2: inline pair<_T1 const*, _T2 const*> make_pair(_T1 const (&__x)[_Sz1],
williamr@4:                                               _T2 const (&__y)[_Sz2]) {
williamr@2:   return pair<_T1 const*, _T2 const*>(static_cast<_T1 const*>(__x),
williamr@2:                                       static_cast<_T2 const*>(__y));
williamr@2: }
williamr@2: #endif
williamr@2: 
williamr@2: template <class _T1, class _T2>
williamr@4: inline pair<_T1, _T2> _STLP_CALL make_pair(_T1 __x, _T2 __y)
williamr@4: { return pair<_T1, _T2>(__x, __y); }
williamr@2: 
williamr@2: _STLP_END_NAMESPACE
williamr@2: 
williamr@4: #if defined (_STLP_USE_NAMESPACES) || !defined (_STLP_USE_SEPARATE_RELOPS_NAMESPACE)
williamr@2: _STLP_BEGIN_RELOPS_NAMESPACE
williamr@2: 
williamr@2: template <class _Tp>
williamr@4: inline bool _STLP_CALL operator!=(const _Tp& __x, const _Tp& __y)
williamr@4: { return !(__x == __y); }
williamr@2: 
williamr@2: template <class _Tp>
williamr@4: inline bool _STLP_CALL operator>(const _Tp& __x, const _Tp& __y)
williamr@4: { return __y < __x; }
williamr@2: 
williamr@2: template <class _Tp>
williamr@4: inline bool _STLP_CALL operator<=(const _Tp& __x, const _Tp& __y)
williamr@4: { return !(__y < __x); }
williamr@2: 
williamr@2: template <class _Tp>
williamr@4: inline bool _STLP_CALL  operator>=(const _Tp& __x, const _Tp& __y)
williamr@4: { return !(__x < __y); }
williamr@2: 
williamr@2: _STLP_END_RELOPS_NAMESPACE
williamr@4: #endif
williamr@2: 
williamr@4: #if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
williamr@4: _STLP_BEGIN_NAMESPACE
williamr@4: 
williamr@4: template <class _T1, class _T2>
williamr@4: struct __type_traits<pair<_T1, _T2> > {
williamr@4:   typedef __type_traits<_T1> _T1Traits;
williamr@4:   typedef __type_traits<_T2> _T2Traits;
williamr@4:   typedef typename _Land2<typename _T1Traits::has_trivial_default_constructor,
williamr@4:                           typename _T2Traits::has_trivial_default_constructor>::_Ret has_trivial_default_constructor;
williamr@4:   typedef typename _Land2<typename _T1Traits::has_trivial_copy_constructor,
williamr@4:                           typename _T2Traits::has_trivial_copy_constructor>::_Ret has_trivial_copy_constructor;
williamr@4:   typedef typename _Land2<typename _T1Traits::has_trivial_assignment_operator,
williamr@4:                           typename _T2Traits::has_trivial_assignment_operator>::_Ret has_trivial_assignment_operator;
williamr@4:   typedef typename _Land2<typename _T1Traits::has_trivial_destructor,
williamr@4:                           typename _T2Traits::has_trivial_destructor>::_Ret has_trivial_destructor;
williamr@4:   typedef __false_type is_POD_type;
williamr@4: 
williamr@4: #if defined (__BORLANDC__) && (__BORLANDC__ < 0x560)
williamr@4:   // disable incorrect "dependent type qualifier" error
williamr@4:   typedef __false_type implemented;
williamr@4: #endif
williamr@4: };
williamr@4: 
williamr@4: template <class _T1, class _T2>
williamr@4: struct __move_traits<pair<_T1, _T2> >
williamr@4:   : _STLP_PRIV __move_traits_help1<_T1, _T2> {};
williamr@4: 
williamr@4: _STLP_END_NAMESPACE
williamr@4: #endif /* _STLP_CLASS_PARTIAL_SPECIALIZATION */
williamr@2: 
williamr@2: #endif /* _STLP_INTERNAL_PAIR_H */
williamr@2: 
williamr@2: // Local Variables:
williamr@2: // mode:C++
williamr@2: // End: