class X
{
public:
  X ()
  {
    pm = 0;  // Is the initialization of a pointer to member with
             // zero permitted by the standard?
  }

  void x ()
  {
    if (pm != 0)  // Compatible/Permitted?
      (this->*pm) ();
  }

private:
  typedef void (*f) ();
  f X::*pm;
};


Thanks
    FAU


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Frank Uepping wrote:
>
> class X
> {
> public:
>   X ()
>   {
>     pm = 0;  // Is the initialization of a pointer to member with
>              // zero permitted by the standard?

Yes - see 4.11p1.

>   }
>
>   void x ()
>   {
>     if (pm != 0)  // Compatible/Permitted?

Yes - see 5.10p2

>       (this->*pm) ();
>   }
>
> private:
>   typedef void (*f) ();
>   f X::*pm;
> };

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