State of DData

Robert Will robertw at
Wed Mar 31 08:48:15 EST 2004

On Fri, 26 Mar 2004, Alastair Reid wrote:
> (For [implementations of] abstract datatypes like balanced binary trees,
> the appropriate equality would probably be to test whether the trees
> contain the same set of values even if they are balanced slightly
> differently.)

Of course it is!  (And that's what my Standard Proposal specifies by the


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