Refutable pattern

Andreas Rossberg rossberg at
Fri Feb 1 11:19:16 PST 2013

On 1 February 2013 20:00, Andreas Rossberg <rossberg at> wrote:
> On 1 February 2013 18:24, Brandon Benvie <brandon at> wrote:
>> A postfix '?' would require backtracking when the next '}' is found...I
>> think?
> Yeah. I admit that I don't remember much of the earlier discussions on
> respective parsing difficulties. Naively, it would seem to me that a
> prefix '?' should actually be easier to parse.

I just played with prefix '?' syntax and think it really looks nicer.
For the time being, I changed the wiki to use that.


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