Glen Fraser 8af9cc5f11 Support testing/clearing Assignable_Proxy_Function's callable ... - add `operator bool()` cast to test if an Assignable_Proxy_Function has a callable. - add `clear()` to reset/empty the callable function. - include new compiled test case to work with (setting, testing, calling and clearing) callback functions in C++ objects.		2019-04-21 12:09:19 +02:00
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chaiscript	Support testing/clearing Assignable_Proxy_Function's callable	2019-04-21 12:09:19 +02:00