[Haskell-cafe] Object-oriented programming, Haskell and existentials

Lennart Augustsson lennart at augustsson.net
Wed Oct 15 13:40:54 EDT 2008

What do you mean by need?  From a theoretical or practical perspective?
We don't need them from a theoretical perspective, but in practice I'd
rather use existentials than encodinging them in some tricky way.

On Wed, Oct 15, 2008 at 11:05 AM,  <oleg at okmij.org> wrote:
> The web page
> begs a question if there is ever any real need for existentials.

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