029cc40c2a
Before, the functor slot (or lambda expression) had to have the same amount of arguments as the signal. This shown to be a big problem to be able to connect to signals that had a QPrivateSlot. This implementation use the type of the operator() of the functor to know how many arguments we have. As a bonus, we also can check the arguments in a static assert. The test comes from https://codereview.qt-project.org/#change,38703 But this patch also works without variadic template If the compiler does not support decltype, we workaround the lack of it by using another level of indirection. Change-Id: I9850b43e8caf77356a2ec3f4c0b0ed532d96029e Reviewed-by: Stephen Kelly <stephen.kelly@kdab.com> |
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