Re: Using exceptions in the core

[John W. Eaton]

On 10/02/2015 02:39 PM, Rik wrote:

> I also like the overloaded _value() method idea.  We could start out
> small by just overloading the string_value () method since this seems to
> be one of the most frequent occurrences where the function expected a
> string, for an option maybe, but numeric input was given.

Yes, I think this is the most frequent case of something like

  if (! args(0).is_string ())
    {
      error ("...");
      return retval;
    }

so I think it makes sense to start with this one and see what we think. 
 I'll work on this with my other changes.

jwe