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Postings from August 2009
At 6PM +0200 on 11/08/09 you (Moritz Lenz) wrote:
> Ben Morrow wrote:
> >
> > However, I would much rather see a general syntax like
> >
> > (# ... )
> > {# ... }
> > [# ... ]
> >
> > with no whitespace allowed between the opening bracket and the #: this
> > doesn't seem to conflict with anything. Allowing <# ... > in rules would
> > also be nice.
>
> That severely violates the principle of least surprise. To me [#...]
> looks like an array ref which contains a comment, which is *not* what
> you propose (I think).
No, it wasn't. The idea was modelled after TT2's [%# ... %] syntax, and
other languages that mark comments just inside the delimiters.
> It also feels like a step backwards. In Perl 6 we try to make things
> clear from the beginning, not only from the second char on. Regex
> modifiers at the, anybody? or (?#...) as comments in regexes in Perl 5?
>
> In all other cases of quote like constructs are the semantics are
> explicit first (think of Q, qx, m, <, «), the delimiter comes later.
> Changing that all of a sudden seems very unintuitive and wrong.
This appears to be leading to a :comment modifier on quotables, with
some suitable shortcut. Perhaps 'q#'? Or are we not allowed mixed alpha
and symbols?
Ben
(I really want to suggest £, just to teach USAnians '#' isn't called
'pound'... :) )
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