https://vishalchovatiya.github.io/tags/use-of-virtual-destructor/ Recent content in Use-of-Virtual-Destructor on Vishal Chovatiya https://vishalchovatiya.github.io/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E https://vishalchovatiya.github.io/%3Clink%20or%20path%20of%20image%20for%20opengraph,%20twitter-cards%3E Hugo -- 0.128.0 en Thu, 12 Sep 2019 00:00:00 +0000 https://vishalchovatiya.github.io/posts/part-3-all-about-virtual-keyword-in-c-how-virtual-destructor-works/ Thu, 12 Sep 2019 00:00:00 +0000 https://vishalchovatiya.github.io/posts/part-3-all-about-virtual-keyword-in-c-how-virtual-destructor-works/ Finally, we are in the 3rd & last part of this series. We have already discussed how virtual function & virtual class/inheritance works internally in previous parts. We left one topic i.e. “How Does Virtual Destructor Works?” which we will see now. As usual, before learning anything new I usually start with “Why Do We Need It in the First Place?” Why Do We Need a Virtual Destructor? We will understand this with our earlier example(slightly twisted): 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 class protocol_t { private: uint8_t *_type; // storage .