No, AS3 doesn't support this. Gordon Smith Adobe Flex SDK Team
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of rss181919 Sent: Monday, September 08, 2008 11:47 AM To: flexcoders@yahoogroups.com Subject: [flexcoders] function / method argument validation Let's say I have the following call s myvar = myfuntion (arg1:x) Of course arg1 must be of type x or you get a compile time error. Is there any way to force arg1 to be of a certain value range within type x and have it checked at compile time? For example, is there a way to create a group of constants or value objects that the system would validate when compiling the function call?