[Haskell-cafe] What I wish someone had told me...

[Alexey Romanov]

On Tue, Oct 14, 2008 at 9:15 PM, John Lato <jwlato at gmail.com> wrote:
> Are you advocating introducing existential types to beginning
> Haskellers?  I think something with the scary name "existential
> quantification" would greatly increase the head'splodin' on the
> learnin' slope.  Certainly there's a place for them, but I wouldn't
> want to see new Haskell programmers habitually approach problems with
> a "first create a type class, then make an existential wrapper"
> mentality.  Which is exactly what I fear is the current situation.

I don't think this is the current situation at all. For one, the
beginning Haskellers do
_not_ learn about existential types.

Yours, Alexey Romanov