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Default constructor & faulty warning [message #1746755]

Fri, 04 November 2016 09:30

Harry Houdini

Messages: 142
Registered: February 2010

Senior Member

Hello,

If I have a class with some members, and a constructor which doesn't initialize some members, I get a warning in the GUI. Good.

But if I add to the constructor = default, I should have to initialize the members.
But I still get the warning.

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Re: Default constructor & faulty warning [message #1750104 is a reply to message #1746755]

Fri, 16 December 2016 07:50

Nathan Ridge

Messages: 8
Registered: July 2009
Location: Canada

Junior Member

Your class probably has data members of built-in type.

Data members of built-in type remain uninitialized with a "= default" constructor, so the warning remains appropriate. In this case, a good way to avoid the warning is to give those members a default member initializer. For example:

  struct S {
      int i = 0;
   
      S() = default;  // no warning
  };

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