stl_stack.h
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- /*
- *
- * Copyright (c) 1994
- * Hewlett-Packard Company
- *
- * Permission to use, copy, modify, distribute and sell this software
- * and its documentation for any purpose is hereby granted without fee,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation. Hewlett-Packard Company makes no
- * representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- *
- * Copyright (c) 1996,1997
- * Silicon Graphics Computer Systems, Inc.
- *
- * Permission to use, copy, modify, distribute and sell this software
- * and its documentation for any purpose is hereby granted without fee,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation. Silicon Graphics makes no
- * representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- */
- /* NOTE: This is an internal header file, included by other STL headers.
- * You should not attempt to use it directly.
- */
- #ifndef __SGI_STL_INTERNAL_STACK_H
- #define __SGI_STL_INTERNAL_STACK_H
- __STL_BEGIN_NAMESPACE
- #ifndef __STL_LIMITED_DEFAULT_TEMPLATES
- template <class _T, class _Sequence = deque<_T> >
- #else
- template <class _T, class _Sequence>
- #endif
- class stack {
- friend bool operator== __STL_NULL_TMPL_ARGS (const stack&, const stack&);
- friend bool operator< __STL_NULL_TMPL_ARGS (const stack&, const stack&);
- public:
- typedef typename _Sequence::value_type value_type;
- typedef typename _Sequence::size_type size_type;
- typedef _Sequence container_type;
- typedef typename _Sequence::reference reference;
- typedef typename _Sequence::const_reference const_reference;
- protected:
- _Sequence _M_c;
- public:
- stack() : _M_c() {}
- explicit stack(const _Sequence& __s) : _M_c(__s) {}
- bool empty() const { return _M_c.empty(); }
- size_type size() const { return _M_c.size(); }
- reference top() { return _M_c.back(); }
- const_reference top() const { return _M_c.back(); }
- void push(const value_type& __x) { _M_c.push_back(__x); }
- void pop() { _M_c.pop_back(); }
- };
- template <class _T, class _Seq>
- bool operator==(const stack<_T,_Seq>& __x, const stack<_T,_Seq>& __y)
- {
- return __x._M_c == __y._M_c;
- }
- template <class _T, class _Seq>
- bool operator<(const stack<_T,_Seq>& __x, const stack<_T,_Seq>& __y)
- {
- return __x._M_c < __y._M_c;
- }
- #ifdef __STL_FUNCTION_TMPL_PARTIAL_ORDER
- template <class _T, class _Seq>
- bool operator!=(const stack<_T,_Seq>& __x, const stack<_T,_Seq>& __y)
- {
- return !(__x == __y);
- }
- template <class _T, class _Seq>
- bool operator>(const stack<_T,_Seq>& __x, const stack<_T,_Seq>& __y)
- {
- return __y < __x;
- }
- template <class _T, class _Seq>
- bool operator<=(const stack<_T,_Seq>& __x, const stack<_T,_Seq>& __y)
- {
- return !(__y < __x);
- }
- template <class _T, class _Seq>
- bool operator>=(const stack<_T,_Seq>& __x, const stack<_T,_Seq>& __y)
- {
- return !(__x < __y);
- }
- #endif /* __STL_FUNCTION_TMPL_PARTIAL_ORDER */
- __STL_END_NAMESPACE
- #endif /* __SGI_STL_INTERNAL_STACK_H */
- // Local Variables:
- // mode:C++
- // End: