Alle Saturday 07 February 2009, Peter Fitzgibbons ha scritto:
> HI All,
>
> Could somone explain the subtle difference between Module#=== and
> Object#is_a?
>
> I found a usage of === to test if an argument is Regexp or not... just want
> to know the restrictions.
> The code is beautiful...
>
> if Regexp === regexp_or_string
>

Looking at the ri documentation for the two methods, I'd say they do exactly 
the same thing. 

Stefano