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Postings from November 2003
Piers Cawley writes:
> All of which means you can wrap it up in a macro and prove Simon's
> point about what's syntax and what's CP6AN:
>
> macro unless_all( Block &test is parsed /<perl.expression>/,
> Block &consequence, *@ary )
> { my $guard = Object.new;
> for *@ary, $guard
> -> { when $guard { &consequence() ; last }
> when &test { last } } }
>
> But I've probably got the signature slightly wrong.
I think the only thing that's wrong with your signature is that you said
"macro" instead of "sub". Well, and &test has to be finessed into an
executable block somehow, but we're not supposed to know how yet.
> Higher Order Functions/Methods/Macros are great aren't they?
What a modern thinker! Use a *function* to do a common task? *What*
are you talking about!? :-)
Luke
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