diff options
| author | Aaron Crane <arc@cpan.org> | 2015-07-13 12:58:51 +0100 |
|---|---|---|
| committer | Aaron Crane <arc@cpan.org> | 2015-07-13 13:42:01 +0100 |
| commit | 1c2511e0acc5a19f9f52fb2be58a4e2750213e6f (patch) | |
| tree | 0ddb6e3d668f6fae267867032bcea8fc9d51516e /pod | |
| parent | 41349288283615495b6de1523783d60c9fd7310b (diff) | |
| download | perl-1c2511e0acc5a19f9f52fb2be58a4e2750213e6f.tar.gz | |
Make postfix dereferencing work without the postderef feature
The feature still exists, for compatibility with code that tries to enable
it, but it has no effect. The postderef_qq feature still exists, however.
Diffstat (limited to 'pod')
| -rw-r--r-- | pod/perldelta.pod | 9 | ||||
| -rw-r--r-- | pod/perlref.pod | 8 |
2 files changed, 11 insertions, 6 deletions
diff --git a/pod/perldelta.pod b/pod/perldelta.pod index ce8768b285..ae26fbb327 100644 --- a/pod/perldelta.pod +++ b/pod/perldelta.pod @@ -52,9 +52,12 @@ you could use the C<bigint> pragma. =head2 Postfix dereferencing is no longer experimental -Using the C<postderef> and C<postderef_qq> features no longer emits a warning. -Existing code that disables that warning category will continue to work. The -C<5.24> feature bundle now includes those features. +Using the C<postderef> and C<postderef_qq> features no longer emits a +warning. Existing code that disables the C<experimental::postderef> warning +category that they previously used will continue to work. The C<postderef> +feature has no effect; all Perl code can use postfix dereferencing, +regardless of what feature declarations are in scope. The C<5.24> feature +bundle now includes the C<postderef_qq> feature. =head1 Security diff --git a/pod/perlref.pod b/pod/perlref.pod index 8956be5750..e570b72cd3 100644 --- a/pod/perlref.pod +++ b/pod/perlref.pod @@ -758,7 +758,9 @@ For example: $r = [ 1, [ 2, 3 ], 4 ]; $r->[1]->@*; # equivalent to @{ $r->[1] } -This syntax must be enabled with C<use feature 'postderef'>. +In Perl 5.20 and 5.22, this syntax must be enabled with C<use feature +'postderef'>. As of Perl 5.24, no feature declarations are required to make +it available. Postfix dereference should work in all circumstances where block (circumfix) dereference worked, and should be entirely equivalent. This @@ -781,7 +783,7 @@ Glob elements can be extracted through the postfix dereferencing feature: Postfix array and scalar dereferencing I<can> be used in interpolating strings (double quotes or the C<qq> operator), but only if the -additional C<postderef_qq> feature is enabled. +C<postderef_qq> feature is enabled. =head2 Postfix Reference Slicing @@ -800,7 +802,7 @@ Slices">, also behaves as expected: As with postfix array, postfix value slice dereferencing I<can> be used in interpolating strings (double quotes or the C<qq> operator), but only -if the additional C<postderef_qq> L<feature> is enabled. +if the C<postderef_qq> L<feature> is enabled. =head1 Assigning to References |