Changeset 2335 for cobra/trunk/HowTo/282-PassReferencesToMethods.cobra

Timestamp:

03/20/10 04:42:28 (2 years ago)

Author:

Chuck.Esterbrook

Message:

Improvements to the How-To's.

Files:

• cobra/trunk/HowTo/282-PassReferencesToMethods.cobra (modified) (1 diff)

cobra/trunk/HowTo/282-PassReferencesToMethods.cobra

@@ -47 +47 @@
         for cust in customers, print cust
 
-        # Yes, there will be lambdas in a future version so
-        # the comparison can be inlined in the sort() call.
+        # you can localize the comparison code with a closure
+        customers.sort(do(a as Customer, b as Customer))
+            return a.name.toLower.compareTo(b.name.toLower)
+        
+        # or a lambda expression
+        customers.sort(do(a as Customer, b as Customer)=a.name.toLower.compareTo(b.name.toLower))
 
     def orderByName(a as Customer, b as Customer) as int is shared