Associative array for array of classes

[Stewart Gordon]

Sean Kelly wrote:
> The correct use of AAs is so intuitive I'm amazed anyone ever gets it 
> wrong.  It's times like this when I wish I'd been more vocal about 
> actually liking the old syntax :-p
<snip top of upside-down reply>

What old syntax?

The in operator has always been the correct way to check whether an AA 
contains a given key.  Looking it up and comparing it against 
valuetype.init was never a general solution.  And

     if ("3" in assoc)

or

     if (!("3" in assoc))

still works just the same.

[F'up back to d.D.learn]

Stewart.