You can't use null, it doesn't exist yet. (Pun intended)
The reason you're getting a syntax error is that optional arguments cannot
be provided unless all the previous arguments are specified like so:
+p("", "", "","1")
One feature I'd like to see added to Sass is keyword argument support for
mixins. There are a couple of ways this could be addressed:
1) as sub properties like so:
+p
a: 1
d= 3px * 1em / 12px
2) as explicit params:
+p(!a = 1, !d = 3px * 1em / 12px)
Both have benefits and drawbacks, which is why we've not done either yet ;-)
chris
On Wed, Sep 16, 2009 at 2:49 PM, joneff <[email protected]> wrote:
>
> Well, if I knew, I could use null instead of "" and it would drop the
> lines, I wouldn't have created the mixin in the first place.
>
> I also like the idea of null-ifying the values. I will use this and
> see how it goes.
>
> While we are at it, do you know why this
>
> =p(!a = "", !b = "", !c = "", !d = "")
> do something
>
> +p(,,,"1")
>
> produces triggers an error?
> >
>
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