In perl.git, the branch blead has been updated <https://perl5.git.perl.org/perl.git/commitdiff/7fd0eed3ddc61ff1ab8e81d17472959868e6a87f?hp=30fc7a2809e5a175e2d9bb94d765b2039f270d91>
- Log ----------------------------------------------------------------- commit 7fd0eed3ddc61ff1ab8e81d17472959868e6a87f Author: Tony Cook <[email protected]> Date: Wed Oct 2 15:42:00 2019 +1000 perldelta for 30fc7a2809e5 ----------------------------------------------------------------------- Summary of changes: pod/perldelta.pod | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/pod/perldelta.pod b/pod/perldelta.pod index 948deda7aa..89e823867e 100644 --- a/pod/perldelta.pod +++ b/pod/perldelta.pod @@ -45,6 +45,24 @@ XXX For a release on a stable branch, this section aspires to be: [ List each incompatible change as a =head2 entry ] +=head2 Modifiable variables are no longer permitted in constants + +Code like: + + my $var; + $sub = sub () { $var }; + +where C<$var> is referenced elsewhere in some sort of modiable context +now produces an exception when the sub is defined. + +This error can be avoided by adding a return to the sub definition: + + $sub = sub () { return $var }; + +This has been deprecated since perl 5.22. + +[perl #131138] + =head1 Deprecations XXX Any deprecated features, syntax, modules etc. should be listed here. -- Perl5 Master Repository
