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--- eiffel:faq:loops_across_iteration [2018/05/17 18:00]
jonathan created
+++ eiffel:faq:loops_across_iteration [2018/05/17 18:08] (current)
jonathan
@@ Line 1: / Line 1: @@
 ====== Eiffel Loops and Iteration ======
-{{ :eiffel:faq:faq:eiffel_loops_iteration.pdf |Eiffel Loops (with from) and Iteration with **across**}}
+  * {{ :eiffel:faq:faq:eiffel_loops_iteration.pdf |Eiffel Loops (with "from") and Iteration with "across"}}
+  * [[eiffel:videos;larry-rix|Short Videos on Iteration]]
+===== Loop =====
+<code eiffel>
+from
+    i := 0
+    n := 10
+invariant
+    n
+until
+    i >= 10
+loop
+    i := i + 1
+variant
+    n-i
+end
+</code>
+===== Iteration with across =====
+<code eiffel>
+across list_of_customers as customer loop
+    Io.put_string (customer.item.name)
+    Io.new_line
+end
+across 1 |..| 5 as it loop
+    Io.put_integer (it.item)
+    Io.new_line
+end
+</code>

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