In article <rf5ohf75dj9.fsf@vx.cit.alcatel.fr> James Kanze <james-albert.kanze@vx.cit.alcatel.fr> writes:
>jlilley@empathy.com (John Lilley) writes:
>
>|>  Morten M. Christensen wrote:
>|>  > Is it legal in standard C++ to have methods with a variable
>|>  > number of arguments like printf ? I.e. Are the methods below
>|>  > legal ?
>|>  >
>|>  > class X                // An example:
>|>  > {
>|>  >  public:
>|>  >  void printf(...);     // Accepted by BC++ and Visual C++
>|>  >  void operator()(...); // Accepted by BC++, Visual C++ "crashes" on
>|>  > this.
>|>  > };
>|>
>|>  The may96 draft standard says that "..." is valid for normal methods and
>|>  functions.  I assume it is valid for operator(), because default
>|>  arguments are explicitly allowed, and "..." is not explicitly
>|>  disallowed.  Note that "..." is not valid for operator[] or conversion
>|>  operators.
>
>Question: is "..." valid for any operator other than operator()?  I
>don't think that the draft makes an explicit statement, but all other
>operators do require a fixed number of parameters (1 or 2), so this
>would seem to rule it out.

Things such as "exactly one parameter" would seem to rule out the possibility
without any change of loopholes.

- Greg
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