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--- rfc:functional-elements [2008/03/17 09:33] – Adding modified use cases lstrojny
+++ rfc:functional-elements [2017/09/22 13:28] (current) – external edit 127.0.0.1
@@ Line 38: / Line 38: @@
 }
 </code>
@@ Line 45: / Line 46: @@
   * [[rfc::functional-elements:is-traversable|function is_traversable()]]: Returns true if a list is traversable (Iterator/IteratorAggregate/array)
   * [[rfc:functional-elements:iterate|function iterate()]]: Walks over a traversable list and does nothing
-  * function iterator_true(): Walks over a traversable list and assumes every element to be true
+  * function iterator_true(): Walks over a traversable list and assumes every element to be bool(true)
-  * function iterator_false(): Walks over a traversable list and assumes every element to be false
+  * function iterator_false(): Walks over a traversable list and assumes every element to be bool(false)
 ==== Modified use cases ====
@@ Line 52: / Line 53: @@
 <code php>
 iterate(new CallIterator($list, 'method'));
+</code>
+=== UC-2: Iterating over an aggregation of objects and keeping the results ===
+<code php>
+$result = iterate(new CallIterator($list, 'method'), true);
 </code>