rails: http://ryandaigle.com/articles/2009/2/1/what-s-new-in-edge-rails-nested-attributes
django: https://docs.djangoproject.com/en/dev/topics/forms/formsets/

I don't see why we can't have new helpers for generating and consuming a list of forms that operate the same as now but just map over a list instead. Django also shows techniques we might use to display the forms.

Greg Weber

On Thu, Jun 16, 2011 at 11:43 AM, Michael Snoyman <michael@snoyman.com> wrote:
This is definitely something missing from the yesod-form API as is.
I'm not quite sure how the API would look for this; has anyone given
this some thought?

On Wed, Jun 15, 2011 at 7:06 AM, Tyson Whitehead <twhitehead@gmail.com> wrote:
> Hi All,
>
> I'm wanting to make a form for "[a]" by composing forms for "a" along with
> added a delete options and a final add another option.
>
> Is there an accepted way to do this sort of thing?  It doesn't seem to me to
> be a good fit for the applicative framework as it is not a fixed structure.
>
> Cheers!  -Tyson
>
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