[Interest] Are slots even needed these days?

[Alexander Görtz]

> Nobody's mentioned the fact that an overridden virtual slot requires an
> absolutely horrid cast in order to use the new PMF syntax.
> 
> -John Weeks
> 
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Am Mittwoch, 16. März 2016, 10:24:37 CET schrieb John Weeks:

Yeah wanted to say the same here, the line to connect to a QSpinBox 
valueChanged is really realy ugly. Mostly because of the ugly syntax of 
pointers to member functions.
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