Stevan Little writes:
> One tests shows $pair.kv returning an array with two elements (the key 
> and value of the pair). (This is also how Pugs currently implements 
> this.)
> Another test shows $pair.kv returning an array with one element which 
> is an array-ref/list which itself has 2 elements (the key and value) in 
> it.
> I tend to think the former is correct, however a comment over the later 
> one indicated that it was stated to be this way on this list. I looked 
> though the list, but was unable to find the specific reference.

The former is certainly correct.  When all else fails, consider a pair
to be a one-element hash.


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