Branch: refs/heads/book/deprecate-all-feature-bundle
Home: https://github.com/Perl/perl5
Commit: 849f151b6b390c663b4a54946eb8a75f3c436ba6
https://github.com/Perl/perl5/commit/849f151b6b390c663b4a54946eb8a75f3c436ba6
Author: Philippe Bruhat (BooK) <b...@cpan.org>
Date: 2024-12-04 (Wed, 04 Dec 2024)
Changed paths:
M lib/feature.pm
M pod/perldelta.pod
M regen/feature.pl
M t/comp/require.t
M t/lib/feature/bundle
M t/op/lexsub.t
Log Message:
-----------
deprecate the ':all' feature bundle
As discussed in perl/PPCs#60, `:all` is very unlikely to be useful.
Since it will enable all features a future Perl might support, it will
also enable some that might be incompatible with the code as written
(see `bitwise`, for example, which changes the meaning of the existing
bitwise operators).
With the addition of "negative" features in v5.32, `:all` became even
less useful, since it would re-enable features deemed undesirable in
modern Perl.
As this point in time, `:all` is effectively a footgun.
If the keyword `all` (from PPC0027) is added as a feature, there's an
extra risk of confusion between `use feature 'all'` and `use feature ':all'`.
This patch makes `:all` warn. We should consider removing that bundle
entirely in the future.
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