Q: Why is a protoobject considered undef?

Austin Hastings Austin_Hastings at Yahoo.com
Sat Mar 6 06:38:37 UTC 2010

Jonathan Worthington wrote:
> On 05/03/2010 04:10, Austin Hastings wrote:
>> One of the things that has been griping my wagger recently is the 
>> fact that P6protoobject overrides vtable_defined so that protoobjects 
>> are always considered undef.
>> Is there a good reason for this?
> Yes; proto-objects are what fill the niche of (typed) undefined values 
> in Perl 6.

I have no clue what that means. Can you elaborate?


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