Re: value extractors for octave_value class

[Jordi Gutiérrez Hermoso]

On Wed, 2015-11-11 at 11:59 -0500, John W. Eaton wrote:

> When overloading these functions with (for example)
> 
>    Array<double> vector_value (const char *fmt, ...) const;
> 
> some compilers complained that the overloaded function was ambiguous. 
> I'm not sure what is best here.

How about just overloading with std::string arguments and requiring
the function caller to use sprintf in case they need formatting?

So, for example,

   auto x = foo.int_value(sprintf("error: want %s but got %s", bar, baz))

- Jordi G. H.