stl_pair.h
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上传日期:2009-02-17
资源大小:202k
文件大小:2k
源码类别:
STL
开发平台:
Visual C++
- /*
- *
- * 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_PAIR_H
- #define __SGI_STL_INTERNAL_PAIR_H
- __STL_BEGIN_NAMESPACE
- template <class T1, class T2>
- struct pair {
- typedef T1 first_type;
- typedef T2 second_type;
- T1 first;
- T2 second;
- pair() : first(T1()), second(T2()) {}
- pair(const T1& a, const T2& b) : first(a), second(b) {}
- #ifdef __STL_MEMBER_TEMPLATES
- template <class U1, class U2>
- pair(const pair<U1, U2>& p) : first(p.first), second(p.second) {}
- #endif
- };
- template <class T1, class T2>
- inline bool operator==(const pair<T1, T2>& x, const pair<T1, T2>& y) {
- return x.first == y.first && x.second == y.second;
- }
- template <class T1, class T2>
- inline bool operator<(const pair<T1, T2>& x, const pair<T1, T2>& y) {
- return x.first < y.first || (!(y.first < x.first) && x.second < y.second);
- }
- template <class T1, class T2>
- inline pair<T1, T2> make_pair(const T1& x, const T2& y) {
- return pair<T1, T2>(x, y);
- }
- __STL_END_NAMESPACE
- #endif /* __SGI_STL_INTERNAL_PAIR_H */
- // Local Variables:
- // mode:C++
- // End: