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Add FAQ entry for after being called right away.

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Rapptz 2016-06-20 00:59:30 -04:00
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docs/faq.rst
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@ -163,6 +163,27 @@ this together we can do the following: ::
player = await voice.create_ytdl_player(url, after=my_after)
player.start()
Why is my "after" function being called right away?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The ``after`` keyword argument expects a *function object* to be passed in. Similar to how ``threading.Thread`` expects a
callable in its ``target`` keyword argument. This means that the following are invalid:
.. code-block:: python
player = await voice.create_ytdl_player(url, after=self.foo())
other = await voice.create_ytdl_player(url, after=self.bar(10))
However the following are correct:
.. code-block:: python
player = await voice.create_ytdl_player(url, after=self.foo)
other = await voice.create_ytdl_player(url, after=lambda: self.bar(10))
Basically, these functions should not be called.
How do I run something in the background?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~