Index: doc/generic_types/generic_types.tex
===================================================================
--- doc/generic_types/generic_types.tex	(revision ab16fc5c5dcde06789b487c9fd51a9df93a9d30a)
+++ doc/generic_types/generic_types.tex	(revision bb914872aa128dd42eb13d6f6476ef17d4416acc)
@@ -1395,5 +1395,5 @@
 }
 void stack::clear() {
-	while ( node* next = head; next; ) {
+	for ( node* next = head; next; ) {
 		node* crnt = next;
 		next = crnt->next;