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Recursion on React.events.
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Date: 2009-12-10 (21:40)
From: Guillaume Yziquel <guillaume.yziquel@c...>
Subject: Re: Recursion on React.events.
Daniel Bünzli a écrit :
>> Maybe I was looking in the wrong place, but I haven't found "the second case
>> of the semantics of E.switch" on your website. In fact, the way I learned
>> about React.E.switch was from the .mli-style webpage on your website, and by
>> trial and error.
> Here :
> http://erratique.ch/software/react/doc/React.E.html#VALswitch
> Second bullet.

I think you should really make a direct link to this page from either




because I've been on your website quite a few times, and it's the first 
time I see this page. (Which is really useful).

>> One thing that really troubles me, is that I do not understand why define
>> returns a couple of two identical element. And the typing of E.fix is rather
>> confusing:
>>> val fix : ('a React.event -> 'a React.event * 'b) -> 'b
> Yes it's confusing. It's here to allow to define mutually recursive
> definitions and still expose them to the outside world. It is also
> usefull if you have other values that depend on the delayed value and
> you want to expose them to the outside world. There are example of
> this in the breakout.ml example.
> [snip] I tried to rexeplain E.fix and S.fix but I came up with what's
> written in their documentation sorry.
> Daniel

Same comment for E.fix as for E.switch. I have never seen its 
documentation before. It's much much clearer now.

All the best,

      Guillaume Yziquel