[docs] [issue24509] Undocumented features of asyncio: call_at, call_later
report at bugs.python.org
Thu Jun 25 11:35:08 CEST 2015
Марк Коренберг added the comment:
For delayed execution methods:
"Returned handle is actually timer object. That timer can be deactivated using asyncio.Handle.cancel() method, so registered callback won't be called".
For other callback registration methods:
"Returned handle may be used to unregister callback using asyncio.Handle.cancel(), so registered callback won't be called".
1. Documentation of .cancel does not say if it is allowed to cancel cancelled handle.
2. Documentation does not say if it is allowed to cancel timer, that was already fired.
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