There are some use cases of attributes, because it has compile-time effects.

Mostly meta-programming, like in debugging or macro expansion.

But the biggest problem is IMHO the implementation of the arguments of an attribute

In :attribute(args-list) args-list isn't parsed like a Perl list but some kind of string like in qw ... and here are dragons.

Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery

In reply to Re: I don't like annotation syntax by LanX
in thread I don't like annotation syntax by Liebranca

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