[Haskell-beginners] Re: Closure

[Daniel Bastos]

In article <h5tjgk$6d8$1 at ger.gmane.org>,
Daniel Bastos wrote:

> In article <20090729202442.GA8017 at seas.upenn.edu>,
> Brent Yorgey wrote:
>
>> With that said, on some level the idea of a closure is really just an
>> implementation detail---I wouldn't say that understanding it is of
>> fundamental importance in learning Haskell.  But learning things never
>> hurts (except when it does).
>
> So it sounds correct to say that a closure is a function that brings
> an environment with it, such as variables defined outside of it. 
>
> With this ability, we can construct functions on the fly because a
> function can return a closure which is amended and, say, returned
> again another closure more fully specified. 

Hello. This was actually a request for comments. Though I didn't say
it. Does that sound correct? Any comments? Thanks much.