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clarify the signature of the choice_value callable #6297

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fixup! clarify the signature of the choice_value callable
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backbone87 committed Feb 23, 2016
commit b3b20df0e53ab92de69de7b67084010e84ba17cb
13 changes: 8 additions & 5 deletions reference/forms/types/options/choice_value.rst.inc
Original file line number Diff line number Diff line change
Expand Up @@ -11,11 +11,14 @@ in HTML and submitted in the POST/PUT requests. You don't normally need to worry
about this, but it might be handy when processing an API request (since you can
configure the value that will be sent in the API request).

This can be a callable or a property path. See `choice_label`_ for similar usage.
*If you use a callable for this option, it gets passed the choice as its **only**
argument*. This is a difference compared to the callables of `choice_label`_ and
`choice_name`_, which receive additional arguments. If ``null`` is used, an
incrementing integer is used as the name.
This can be a callable or a property path. If ``null`` is given, an incrementing
integer is used as the value.

.. note::

In contrast to other choice options (e.g. `choice_label`_), the callable for
the ``choice_value`` option takes as **only** argument the actual choice, which
is also the value that gets passed to your model after submitting the form.
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I would replace after by when.

Beside that 👍


.. caution::

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