fix template template param deduction in gcc7.1

alib2std/src/extensions/algorithm.hpp

@@ -32,8 +32,8 @@ bool excludes(InputIt1 first1, InputIt1 last1, InputIt2 first2, InputIt2 last2)
 	return excludes(first1, last1, first2, last2, std::less<decltype(*first1)>());
 }
-template<class ResType, class InType, template < typename ... > class ContainerType, class Callback >
-ContainerType<ResType> transform(const ContainerType<InType> & in, Callback transform) {
+template < class ResType, class InType, typename ... Ts, template < typename ... > class ContainerType, class Callback >
+ContainerType < ResType > transform(const ContainerType < InType, Ts ... > & in, Callback transform ) {
 	ContainerType<ResType> res;
 	std::transform ( in.begin ( ), in.end ( ), std::inserter ( res, res.begin ( ) ), transform );
 	return res;