Yes ok I get it now, *ignore* my last email... There is still a reference, i.e. the one in the server scope itself.. OK, I understand it now.
So, references change, but do not get deleted when one of the references get deleted. Ok all clear, thanks. Taco Fleur > -----Original Message----- > From: Dave Watts [mailto:[EMAIL PROTECTED] > Sent: Friday, 19 November 2004 12:55 AM > To: CF-Talk > Subject: RE: Reference to complex var not destroyed > > > > I don't think you understand me correctly, I understand that > > a REFERENCE is created and not a copy of the structure > > itself, if you read my message again you might see this. > > > > My question is: why is the reference not destroyed when the > > original structure is? When I update the original structure > > with another value the reference is updated, but why not > > destroyed? > > No, I understood you correctly. When you create a structure > using, say, StructNew, you're actually creating two things - > the structure itself, and a reference to the structure. The > structure itself can have as many references as you like, and > they all point you back to the actual structure. > > <cfset foo = StructNew()> <!-- creates a structure, and a > reference called "foo" ---> <cfset foo.var = "val"> <cfset > bar = foo> <!--- creates a second reference that points to > the same structure as "foo" does ---> <cfset foo = ""> <!--- > overwrites the "foo" reference with a "foo" variable > containing a simple value - doesn't affect the structure that > foo pointed to > ---> > > The structure itself will stick around as long as there's at > least one reference still around. > > Dave Watts, CTO, Fig Leaf Software > http://www.figleaf.com/ > phone: 202-797-5496 > fax: 202-797-5444 > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Special thanks to the CF Community Suite Gold Sponsor - CFHosting.net http://www.cfhosting.net Message: http://www.houseoffusion.com/lists.cfm/link=i:4:184809 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
