--- /dev/null
+
+/*
+ * $Id: Generic.h,v 1.2 2002/10/25 03:57:30 robertc Exp $
+ *
+ *
+ * SQUID Web Proxy Cache http://www.squid-cache.org/
+ * ----------------------------------------------------------
+ *
+ * Squid is the result of efforts by numerous individuals from
+ * the Internet community; see the CONTRIBUTORS file for full
+ * details. Many organizations have provided support for Squid's
+ * development; see the SPONSORS file for full details. Squid is
+ * Copyrighted (C) 2001 by the Regents of the University of
+ * California; see the COPYRIGHT file for full details. Squid
+ * incorporates software developed and/or copyrighted by other
+ * sources; see the CREDITS file for full details.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+ *
+ */
+
+#ifndef SQUID_GENERIC_H
+#define SQUID_GENERIC_H
+
+template <class _Arg, class _Result>
+struct unary_function {
+ typedef _Arg argument_type;
+ typedef _Result result_type;
+};
+
+template <class L, class T>
+T& for_each(L const &head, T& visitor)
+{
+ for (L const *node = &head; node; node=node->next)
+ visitor(*node);
+ return visitor;
+}
+
+
+template <class T>
+T& for_each(dlink_list const &collection, T& visitor)
+{
+ for (dlink_node const *node = collection.head; node; node=node->next)
+ visitor(*(typename T::argument_type const *)node->data);
+ return visitor;
+}
+
+#endif /* SQUID_GENERIC_H */