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derived class template D:

Started by _WeirdCat_ Oct 28, 2017 at 8:59 AM 3 replies 1.4k views

Original Post

Oct 28, 2017 at 8:59 AM

~~So i have a base class:~~


template <class pos_depth, class normal_depth, class vel_depth, class mass_depth, class world_depth, class time_depth>
class PComponent

~~Now i have a second class"~~


struct AComponent : public PComponent<float, float, float, float, float, float>

~~However this does not compile i am not even sure if i can do such thing like that:~~

~~error:~~

Description Resource Path Location Type
expected '{' before '<' token vcl.h /WiredNavalBattle/jni/Editor line 129 C/C++ Problem
expected template-name before '<' token vcl.h /WiredNavalBattle/jni/Editor line 129 C/C++ Problem
expected unqualified-id before '<' token vcl.h /WiredNavalBattle/jni/Editor line 129 C/C++ Problem
make.exe: *** [obj/local/armeabi-v7a/objs-debug/game/constvars2.o] Error 1 WiredNavalBattle C/C++ Problem

~~Any thoughts?~~

Ah i forgot to include the header file, however i have another problem since in second class i want to call PComponent constructor it doesnt allow me to do that i could eaisly make a void in PComponent class which contains constructor code, and call it from AComponent (second class) but maybe theres another way?

matt77hias

Oct 28, 2017 at 12:41 PM

The title of this topic is confusing (at least for me), especially with regard to the content and tag. I thought it was about the programming language D.

ChaosEngine

Oct 28, 2017 at 8:14 PM

11 hours ago, WiredCat said:

in second class i want to call PComponent constructor it doesnt allow me to do that

Why not? Post the error message and show us the PComponent constructor and the where you’re trying to call it.

Aressera

Oct 29, 2017 at 2:26 AM

You need a typedef:


class AComponent : PComponent<...>
{
  public:
  	typedef PComponent<...> Base;
 	AComponent() : Base(...) {}
};

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