What (not) to do in a constructor

Question

I want to ask you for your best practices regarding constructors in C++. I am not quite sure what I should do in a constructor and what not.

Should I only use it for

Answer 1

Ideally, you should have no code in your constuctors, ever (aside from attribute assignment). There is one important reason: It prevents the composition of objects and makes them un-extensible.

Here is my blog post about this: Constructors Must Be Code-Free