diff --git a/alib2std/src/extensions/algorithm.hpp b/alib2std/src/extensions/algorithm.hpp
index a0615c6c39894590c2b1fc1bf7cb2e51cd945c9f..b86b4eac9ed39a2004ec56b3e77b1131de72c92b 100644
--- a/alib2std/src/extensions/algorithm.hpp
+++ b/alib2std/src/extensions/algorithm.hpp
@@ -120,6 +120,26 @@ std::pair < Iterator, Iterator > find_range ( Iterator begin, Iterator end, cons
 	return res;
 }
 
+template < typename T >
+const T & max ( const T & a ) {
+	return a;
+}
+
+template < typename T, typename ... Args >
+const T & max ( const T & a, const T & b, const Args & ... args ) {
+	return max ( b < a ? a : b, args ... );
+}
+
+template < typename T >
+const T & min ( const T & a) {
+	return a;
+}
+
+template < typename T, typename ... Args >
+const T & min ( const T & a, const T & b, const Args & ... args) {
+	return min ( b > a ? a : b, args ... );
+}
+
 } /* namespace ext */
 
 #endif /* __ALGORITHM_HPP_ */