X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/a5ec8efeae4f20b4d5e4d38516b283e9e725744e..35a635c705ad1449df22a7cf5f6623b9445e40e3:/perl.inc.pl?ds=inline
diff --git a/perl.inc.pl b/perl.inc.pl
index 63e3e7b..9d416eb 100644
--- a/perl.inc.pl
+++ b/perl.inc.pl
@@ -80,9 +80,11 @@ use utf8;
['given
', 'switch statement to smart-match with when
/default
', {feature => 'switch', experimental => 'smartmatch'}],
['/(?<name>)/
', 'named capture buffers into %+
'],
['/(?1)/
', 'recursive regular expression patterns'],
+ ['/(?|)/
', 'resets capture numbering for each contained branch'],
['/.++/
', 'possessive quantifiers ?+
, *+
, ++
to match greedily'],
['s/keep\K//
', 'floating positive lookbehind, efficient alternative for s/(keep)/$1/
'],
- ['/\v/, /\h/
', 'vertical and horizontal whitespace escapes'],
+ ['/p
', 'optionally preserve ${^MATCH}
variables (avoiding $&
penalty until COW in v5.20)'],
+ ['/\v/, /\h/
', 'vertical and horizontal whitespace escapes (\V
\H
to invert); also /\R/
for newlines'],
['my $_
', 'lexically scoped version of the default variable', {experimental => 'lexical_topic', dropped => v5.23.4}],
['state
', 'persistent my
variables', {feature => 'state'}],
],
@@ -120,11 +122,13 @@ use utf8;
v5.14 => {
new => [
['s///r
', 'non-destructive substitution'],
- ['/(?^)/
', 'construct to reset to default modifiers'],
['/(?{ m() })/
', 'regular expressions can be nested in /(?{})/
and /(??{})/
', {experimental => 0, stable => v5.20}],
+ ['/dalu
', 'regexp modifiers to restrict character classes: either default, ascii, locale, or unicode semantics.'],
[q"use re '/flags'
", 'customise default modifiers'],
+ ['/(?^)/
', 'construct to reset to default modifiers'],
['each $ref
e.a.', 'array and hash container functions accept references', {experimental => 'postderef', dropped => v5.23.1}],
['FH->method
', 'filehandle method calls load IO::File on demand (eg. STDOUT->flush
)'],
+ ['\o{}
', 'escape sequence for octal values beyond \777'],
],
release => '2011-05-14',
distro => {
@@ -195,6 +199,7 @@ use utf8;
['&.
', '& | ^ ~
consistently numeric, dotted operators for strings', {feature => 'bitwise', experimental => 'bitwise', stable => v5.28}],
[q"use re 'strict'
", 'apply stricter syntax rules to regular expression patterns', {experimental => 're_strict'}],
['0x.beep+0
', q"hexadecimal floating point notation with binary power; printf '%a'
to display"],
+ ['??
', 'single match shorthand (deprecated since v5.14) requires the operator m?PATTERN?
'],
],
unicode => '7.0',
release => '2015-06-01',
@@ -260,10 +265,25 @@ use utf8;
v5.32 => {
new => [
['isa
', 'infix operator to check class instance'],
+ ['$min < $_ <= $max
', 'chained comparison repeats inner part as $min < $_ and $_ <= $max
'],
+ ['/\p{Name=$var}/
', 'match Unicode Name property like \N{} but with interpolation and subpatterns'],
[q"open F, '+>>', undef
", 'respect append mode on temporary files with mixed access'],
- ['streamzip', 'program distributed with core IO::Compress::Base'],
+ ["no feature 'indirect'
", 'disable indirect object notation such as new Class
instead of Class->new
'],
+ ['streamzip', 'program distributed with core IO::Compress::Base to compress stdin into a zip container'],
],
- # https://www.effectiveperlprogramming.com/2020/01/perl-v5-32-new-features/
unicode => '13.0',
+ release => '2020-06-20',
+ details => 'https://www.effectiveperlprogramming.com/2020/01/perl-v5-32-new-features/',
+ },
+
+ v5.34 => {
+ new => [
+ ['try {} catch
', 'exception handling similar to eval blocks', {experimental => 'try'}],
+ ['/{,n}/
', 'empty lower bound quantifier is accepted as shorthand for 0'],
+ ['\x{ ⦠}
', 'insignificant space within curly braces, also for \b{}
, \g{}
, \k{}
, \N{}
, \o{}
as well as /{m,n}/
quantifiers'],
+ ['0o0
', 'octal prefix 0o
alternative to 0â¦
and oct
'],
+ ['re::optimization(qr//)
', 'debug regular expression optimization information discovered at compile time'],
+ ],
+ release => '2021-05-20',
},
}