By Andrey_Karpov_2009
via timj.testbit.eu
Submitted: Feb 18 2013 / 06:56
First, a quick intro for for the uninitiated, signals in this context are structures that maintain a lists of callback functions with arbitrary arguments and assorted reentrant machinery to modify the callback lists and calling the callbacks. These allow customization of object behavior in response to signal emissions by the object (i.e. notifying the callbacks by means of invocations).
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