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Postings from May 2008
2008/5/15 Ed Avis <eda@waniasset.com>:
> Indeed, why just a warning? Surely using a language keyword as a label should
> be disallowed altogether. At the moment the behaviour is a bit bizarre:
>
> print: { say 'hello' }
> goto print;
>
> fails with 'Can't find label 1', as if this were a computed goto using the
> return value of evaluating print, but on the other hand if you try to make such
> a computed goto using your own function:
>
> sub f { return 1 }
> goto f;
>
> you get 'Can't find label f', showing that it's treated as a literal word and
> not evaluated.
>
> IMHO, this semantic muddle is best resolved by forbidding builtin keywords as
> labels.
That's a good point. I was merely opposed to a new warning, but some
more bondage on that very syntax point seems sensible.
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