--- a/sources/list.h Fri May 15 22:46:53 2015 +0300 +++ b/sources/list.h Wed Jul 20 14:48:47 2016 +0300 @@ -263,7 +263,7 @@ Self result; - for (int i = a; i <= b; ++i) + for (int i = a; i < b; ++i) result << operator[] (i); return result;