[R] substitute, eval and hastables

[Serge Boiko]

Robert Gentleman <rgentlem at jimmy.harvard.edu> writes:


>
>  If you want hash table behavior you could try using environments (as
>  that is really about all that they are). I have been spending some
>  time thinking (and a little coding) about a hash table class but it
>  is unlikely to appear before the summer.
>   Robert
>
Thanks for your message.

I started to think about using environments. I think many people (and
I'm one of them) will appreciate hash table data structure. 

-Serge