You don't need to dereference in render because cursors generally won't be
stale during render. If that's not the case then do it. But it's unusual to
need to do so.

David

On Wed, Jun 10, 2015 at 12:01 PM, J David Eisenberg <
jdavid.eisenb...@gmail.com> wrote:

> On Wednesday, June 10, 2015 at 8:54:18 AM UTC-4, David Nolen wrote:
> > I don't understand why you need to put something like that into app
> state. Seems like component local state is better suited.
> >
> >
> > David
> >
>
> Eventually I will have several interdependent input fields, but I wanted
> to give as close to a minimal example of the question as possible (since
> that seems to be a theme in this group). I'm still confused as to why I
> need to de-reference, even though the wiki seemingly tells me not to do so.
>
>
> >
> > On Wed, Jun 10, 2015 at 6:34 AM, J David Eisenberg <
> jdavid.e...@gmail.com> wrote:
> > I want to initialize a form field dynamically. In this short example
> gist: https://gist.github.com/jdeisenberg/f8b3da0d30ca87df01a3 I want to
> initialize the text field with the current minute of the hour (hey, it's
> just an example).
> >
> >
> >
> > As coded, it doesn't work. If I change data to @data in lines 30 and 32,
> it works great. But, according to
> https://github.com/omcljs/om/wiki/Cursors, I should *not* do that --
> "During the render phase, you treat a cursor as a value, as a regular map
> or vector."  What am I misreading here?
> >
> >
> >
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