Hi,
On Tue, 2012-06-26 at 11:47 +0200, Felix Frank wrote:
> Hi,
>
> On 06/26/2012 10:56 AM, Stephen Gran wrote:
> > There is one difference that is most likely a bug. try this manifest:
> >
> > ./test.pp
> > class { 'wobble': }
> > class { 'wibble': }
>
> I disagree on this being a bug.
>
> This syntax is for parameterized classes. Such classes cannot be
> declared more than once, because the declaration binds parameter values
> that cannot be sanely changed at a later point of compilation.
>
> So multiple usage of this syntax is not supported.
>
> I'd suggest avoiding it if it's not needed pass actual class parameters.
I disagree that instantiating a class twice with identical (especially
default) parameters should result in an error. A class is a singleton,
unlike a define, so should not be indexed solely on it's name. It
should be an error to try to redefine the parameters that you
instantiate a class with, of course.
However, I see that this is probably not a trivial change, and I don't
think it's that big a deal, in practice. It does mean jumping through
some hoops when you have something like multiple application classes
using a single parameterized configuration class, but it can be lived
with.
Cheers,
--
Stephen Gran
Senior Systems Integrator - guardian.co.uk
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