Differences

This shows you the differences between two versions of the page.

--- rfc:functional-elements [2008/03/16 14:59]
lstrojny Linking the iterate() detail page
+++ rfc:functional-elements [2008/03/17 09:40]
lstrojny
@@ 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 ====
+=== UC-1: Iterating over an aggregation of objects ===
+<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>