aboutsummaryrefslogtreecommitdiff
path: root/libstdc++-v3/bits/stl_pair.h
diff options
context:
space:
mode:
Diffstat (limited to 'libstdc++-v3/bits/stl_pair.h')
-rw-r--r--libstdc++-v3/bits/stl_pair.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/libstdc++-v3/bits/stl_pair.h b/libstdc++-v3/bits/stl_pair.h
new file mode 100644
index 0000000..a6155a6
--- /dev/null
+++ b/libstdc++-v3/bits/stl_pair.h
@@ -0,0 +1,101 @@
+/*
+ *
+ * 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);
+}
+
+#ifdef __STL_FUNCTION_TMPL_PARTIAL_ORDER
+
+template <class _T1, class _T2>
+inline bool operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) {
+ return !(__x == __y);
+}
+
+template <class _T1, class _T2>
+inline bool operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) {
+ return __y < __x;
+}
+
+template <class _T1, class _T2>
+inline bool operator<=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) {
+ return !(__y < __x);
+}
+
+template <class _T1, class _T2>
+inline bool operator>=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) {
+ return !(__x < __y);
+}
+
+#endif /* __STL_FUNCTION_TMPL_PARTIAL_ORDER */
+
+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: