On Fri, Jul 04, 2003 at 02:18:40PM -0700, David Storrs wrote:
> I've got a function that takes several arguments, the first of
> which should be a scalar (specifically, a string). I'd like to
> have a precondition to verify that the argument is, in fact, a
> scalar.
I'll recommend that you *don't* try to do this. If a user of
your function wants to do
my @args = (133, $x, $y);
your_function(@args);
you shouldn't mind[*]. The array will get flattened into a list
of scalars, and the numeric value will automatically get converted
into a string as soon as you use it as a string.
--
Steve
[*] The built-in functions with a "$@" prototype (like sprintf())
can be irritating.
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