Merge with trunk

1 files changed, 15 insertions, 0 deletions

diff --git a/indra/llcommon/llboost.h b/indra/llcommon/llboost.h
index 4df9dbf3bd..c2bde3a097 100644
--- a/indra/llcommon/llboost.h
+++ b/indra/llcommon/llboost.h
@@ -46,4 +46,19 @@
 */
 typedef boost::tokenizer<boost::char_separator<char> > boost_tokenizer;
 
+// Useful combiner for boost signals that return a bool (e.g. validation)
+//  returns false if any of the callbacks return false
+struct boost_boolean_combiner
+{
+	typedef bool result_type;
+	template<typename InputIterator>
+	bool operator()(InputIterator first, InputIterator last) const
+	{
+		bool res = true;
+		while (first != last)
+			res &= *first++;
+		return res;
+	}
+};
+
 #endif // LL_LLBOOST_H