> From: "Joe Gottman" <[EMAIL PROTECTED]>
> Date: Fri, 3 Jan 2003 22:25:16 -0500
>
> > >>>>> "JG" == Joe Gottman <[EMAIL PROTECTED]> writes:
> >
> > JG> Speaking of which, is there a run-time test to check if a variable
> is of
> > JG> integral type? Something like
> >
> > JG> print "date" if ($var is int) && (1 <= $var <= 31);
> >
> > the old standby is:
> >
> > int( $var ) == $var
> >
>
> I'm not sure if this works.
>
> my $var = "0"; # Notice the quotation marks
> print "is integer" if (int($var) == $var);
>
> In the above case int($var) == $var returns true when I would want it to
> return false.
print "date" if $var.isa(int);
print "date" if isa $var: int;
print "date" if $var ~~ int;
Those should all work. IMO the first reads the best. That will also
work for C<Int>s, as C<Int> is a subclass of C<int> (I think).
Luke
