diff --git a/alib2std/src/extensions/deque.hpp b/alib2std/src/extensions/deque.hpp
index 52c191a0c0e2d52979491832a31815b29cc96dfd..51c39cef31a9d0d9fa5ec1a1a071a7ef3fe420f0 100644
--- a/alib2std/src/extensions/deque.hpp
+++ b/alib2std/src/extensions/deque.hpp
@@ -40,7 +40,7 @@ namespace ext {
  * The class mimics the behavior of the deque from the standatd library.
  *
  * \tparam T the type of values inside the deque
- * \tparam Ts ... remaining unimportant template parameters of the deque
+ * \tparam Alloc the allocator of values of type T
  */
 template < class T, class Alloc = std::allocator < T > >
 class deque : public std::deque < T, Alloc >, AllocFix < Alloc > {
diff --git a/alib2std/src/extensions/forward_list.hpp b/alib2std/src/extensions/forward_list.hpp
index 19aad2fbbb603a8b65c8f939574c6b4fd556b3a5..4c9d4b7fd82cef0a5f814452600b2ca796548f1e 100644
--- a/alib2std/src/extensions/forward_list.hpp
+++ b/alib2std/src/extensions/forward_list.hpp
@@ -1,6 +1,22 @@
 /*
  * forward_list.hpp
  *
+ * This file is part of Algorithms library toolkit.
+ * Copyright (C) 2017 Jan Travnicek (jan.travnicek@fit.cvut.cz)
+
+ * Algorithms library toolkit 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 3 of the License, or
+ * (at your option) any later version.
+
+ * Algorithms library toolkit 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 Algorithms library toolkit.  If not, see <http://www.gnu.org/licenses/>.
+ *
  * Created on: Apr 1, 2013
  * Author: Jan Travnicek
  */
@@ -18,24 +34,66 @@
 
 namespace ext {
 
+/**
+ * Class extending the forward_list class from the standard library. Original reason is to allow printing of the container with overloaded operator <<.
+ *
+ * The class mimics the behavior of the forward_list from the standatd library.
+ *
+ * \tparam T the type of values inside the forward_list
+ * \tparam Alloc the allocator of values of type T
+ */
 template < class T, class Alloc = std::allocator < T > >
 class forward_list : public std::forward_list < T, Alloc >, AllocFix < Alloc > {
 public:
+	/**
+	 * Inherit constructors of the standard forward_list
+	 */
 	using std::forward_list < T, Alloc >::forward_list;
+
+	/**
+	 * Inherit operator = of the standard forward_list
+	 */
 	using std::forward_list < T, Alloc >::operator =;
 #ifndef __clang__
+
+	/**
+	 * Default constructor needed by g++ since it is not inherited
+	 */
 	forward_list ( ) = default;
 
+	/**
+	 * Copy constructor needed by g++ since it is not inherited
+	 */
 	forward_list ( const forward_list & other ) = default;
 
+	/**
+	 * Move constructor needed by g++ since it is not inherited
+	 */
 	forward_list ( forward_list && other ) = default;
 
+	/**
+	 * Copy operator = needed by g++ since it is not inherited
+	 */
 	forward_list & operator = ( forward_list && other ) = default;
 
+	/**
+	 * Move operator = needed by g++ since it is not inherited
+	 */
 	forward_list & operator = ( const forward_list & other ) = default;
 #endif
 };
 
+/**
+ * Operator to print the forward_list to the output stream.
+ *
+ * \param out the output stream
+ * \param forward_list the forward_list to print
+ *
+ * \tparam T the type of values inside the forward_list
+ * \tparam Ts ... remaining unimportant template parameters of the forward_list
+ *
+ * \return the output stream from the \p out
+ */
 template< class T, class ... Ts >
 std::ostream& operator<<(std::ostream& out, const ext::forward_list<T, Ts ... >& forward_list) {
 	out << "[";
@@ -51,8 +109,23 @@ std::ostream& operator<<(std::ostream& out, const ext::forward_list<T, Ts ... >&
 	return out;
 }
 
+/**
+ * Specialisation of the compare structure implementing the three-way comparison
+ *
+ * \tparam T the type of values inside the forward_list
+ * \tparam Ts ... remaining unimportant template parameters of the forward_list
+ */
 template<class T, class ... Ts >
 struct compare<ext::forward_list<T, Ts ... >> {
+
+	/**
+	 * Implementation of the three-way comparison
+	 *
+	 * \param first the left operand of the comparison
+	 * \param second the right operand of the comparison
+	 *
+	 * \return negative value of left < right, positive value if left > right, zero if left == right
+	 */
 	int operator()(const ext::forward_list<T, Ts ... >& first, const ext::forward_list<T, Ts ... >& second) const {
 		if(first.size() < second.size()) return -1;
 		if(first.size() > second.size()) return 1;
@@ -66,6 +139,14 @@ struct compare<ext::forward_list<T, Ts ... >> {
 	}
 };
 
+/**
+ * Overload of to_string function.
+ *
+ * \param value the forward_list to be converted to string
+ *
+ * \tparam T the type of values inside the forward_list
+ * \tparam Ts ... remaining unimportant template parameters of the forward_list
+ */
 template < class T, class ... Ts >
 std::string to_string ( const ext::forward_list < T, Ts ... > & value ) {
 	std::stringstream ss;