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| author | Jesse Vincent <jesse@bestpractical.com> | 2010-03-28 23:48:44 -0400 |
|---|---|---|
| committer | Jesse Vincent <jesse@bestpractical.com> | 2010-03-28 23:51:42 -0400 |
| commit | 055e9e166d34c9b54a2b01facc7eae6673d243c9 (patch) | |
| tree | 8dfca44d60ad9ba013d57e25669486f24ea802f9 | |
| parent | c1c4ae3a961df5aa9544fb76ce5c1d031b6f0dd5 (diff) | |
| download | perl-055e9e166d34c9b54a2b01facc7eae6673d243c9.tar.gz | |
Update perldelta to better warn users about the changes from the first-classification of regexps.
| -rw-r--r-- | pod/perl5120delta.pod | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/pod/perl5120delta.pod b/pod/perl5120delta.pod index 47fdf0b3f6..5d5fc08764 100644 --- a/pod/perl5120delta.pod +++ b/pod/perl5120delta.pod @@ -280,6 +280,16 @@ version's C<site_perl> and C<vendor_perl>. Modules installed into C<site_perl> and C<vendor_perl> will now be loaded in preference to those installed in C<ARCHLIB> and C<PRIVLIB>. + +=head2 REGEXPs are now first class + +Internally, Perl now treates compiled regular expressions (such as +those created with C<qr//>) as first class entities. Perl modules which +serialize, deserialize or otherwise have deep interaction with Perl's +internal data structures need to be updated for this change. Affected +modules include L<FreezeThaw>,L<Data::Dump::Streamer> and L<Regexp::Copy>. + + =head2 Switch statement changes The C<given>/C<when> switch statement handles complex statements better @@ -1651,10 +1661,6 @@ C<SVt_RV> no longer exists. RVs are now stored in IVs. =item * -REGEXPs are now first class. - -=item * - C<Perl_vcroak()> now accepts a null first argument. In addition, a full audit was made of the "not NULL" compiler annotations, and those for several other internal functions were corrected. |