X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/2fb9a76b4efcaf79c4d252c55c521a36a9f2fd74..2bf6ce4daff354b4d7773dd6471dffbe37ca9bc8:/perl.inc.pl?ds=inline
diff --git a/perl.inc.pl b/perl.inc.pl
index ca836cc..e26cbcd 100644
--- a/perl.inc.pl
+++ b/perl.inc.pl
@@ -1,70 +1,408 @@
use utf8;
+use strict;
+my $wbr = "\N{ZERO WIDTH SPACE}";
+{
+ v5.004 => {
+ release => '1997-05-15',
+ distro => {
+ debian => '2.0', # hamm 1998-07 to potato 2000-08 eol 2003-06
+ },
+ unstable => 0,
+ },
+
+ v5.005 => {
+ new => [
+ ['lock
', 'obsolete Thread
implementation, including a keyword to place advisory locks on shared variables', {experimental => 0, stable => 0, dropped => v5.10}],
+ ['B::â¦
', 'backend hooks'],
+ ['qr//
' => 'overhauled regular expression engine: precompile operator, lookahead/behind, code, conditions, localised flags'],
+ ['⦠foreach
' => 'for(each)
as statement modifier, with large ranges optimised as counting loops'],
+ ['â¦::
' => 'implicitly quoted package name'],
+ ['ref $@
' => 'die
passes reference values to exception handlers'],
+ ['INIT {}
', 'subs run just before the perl runtime begins execution'],
+ ['tie @â¦
' => 'base class for TIEARRAY
implementations, and generally improved supported of tied handlers'],
+ ['substr â¦,â¦,â¦,$replace
', 'replacement string in 4th argument'],
+ ['splice â¦,â¦,-$length
', 'negative length indicates elements to keep at the end of an array'],
+ ['$/
', 'integer or scalar separator makes <>
read records instead of lines'],
+ ],
+ modules => [
+ ['Data::Dumper' => 'stringify data structures'],
+ ['Errno' => 'system errno.h
constants'],
+ ['File::Spec'],
+ ['Fatal'],
+ ['Test'],
+ ],
+ release => '1998-07-22',
+ unstable => 0,
+ },
+
v5.6 => {
new => [
- ['use utf8'],
- ['\N{named character}'],
- ['our'],
- ['v1.2.3'],
- ['sub :locked :method'],
- ['open $fh, $mode, $expr'],
+ ['use warnings
', 'pragma to enable warnings in lexical scope', {name => 'warnings'}],
+ ['use utf8
', 'experimental unicode semantics (completed in v5.8)', {name => 'utf8', experimental => 0, stable => v5.8}],
+ ['use charnames
', 'string escape \N{}
to insert named character'],
+ ['our
', 'declare global variables'],
+ ['v1.2.3
', q"represent strings as vector of ordinals, useful in version numbers (printf '%vd'
to display)"],
+ ['0b0
', q"binary numbers in literals, printf '%b'
, and oct
"],
+ ['sub :lvalue
', 'subroutine attribute to return a modifiable value', {name => 'sub_lvalue', experimental => 0, stable => v5.20}],
+# ['sub :locked :method
', 'syntax to declare subroutine attributes'], # can be inferred from :lvalue support
+ ['open my $fh, $mode, $expr
', 'file handles in scoped scalars, third argument for unambiguous file name'],
+ [q"pack 'q'
", '64-bit integer support (also large files >2GiB)', {experimental => 0, stable => v5.8.1}],
+ ['sort $coderef ()
', 'comparison function can be a subroutine reference; prototype ($$)
to pass elements as normal @_
'],
+ ['CHECK {}
', 'special block called at end of compilation'],
+ ['/[[:â¦:]]/
', 'POSIX character class syntax such as /[[:alpha:]]/
'],
+ # quite a lot more, but leave it at this
],
release => '2000-03-23',
+ distro => {
+ debian => '3.0', # woody 2002-07 eol 2006-06
+ rhel => '2', # v5.6.0; also in red hat 7.0
+ solaris => '9', # v5.6.1; 2002-05 eol 2014-10
+ aix => '5.1', # 2001-05 eol 2006-04
+ opensuse => '7.1', # 2001-01
+ },
+ versum => 'start of modern compatibility',
+ unicode => '3.0.1',
},
+
v5.8 => {
new => [
- ['unicode overhaul'],
- ['PerlIO'],
+ [q"no utf8
", 'full unicode support, utf8
pragma only for script encoding', {name => 'utf8_data'}],
+ [q"use open
", 'file handle behaviour altered by PerlIO layers', {name => 'perlio', eg => 'binmode $fh, ":bytes"'}],
+ [q"open $fh, '-|', @cmd
", 'open list to fork a command without spawning a shell'],
+ [q"open $fh, '>', \$var
", 'perl scalars as virtual files'],
+ [q"printf '%1$s', @args
", 'syntax to use parameters out of order'],
+ [q"1_2_3 == 123
", 'underscores between digits allowed in numeric constants'],
+ ],
+ modules => [
+ [bignum => 'transparent big number support', 'length 1e100 == 101'],
+ [if => 'conditional module inclusion', 'no if $] >= 5.022, "warnings", "redundant"'],
+ [sort => 'override sort() algorithm', {dropped => v5.28, eg => 'sort::current eq "stable"'}],
+ [Digest => 'calculate various message digests (data hashes)', '$hash = sha256_hex($data)'],
+ [Encode => 'character set conversion', 'encode("utf8", decode("iso-8859-1", $octets))'],
+ ['File::Temp' => 'create a temporary file or directory safely', '$fh = tempfile();'],
+ ['List::Util' => 'general-utility list subroutines', '@cards = shuffle 0..51'],
+ ['Locale::Maketext' => 'various localization and internationalization in Locale::*
and L18N::*
'],
+ ['Memoize' => 'remember function results, trading space for time', 'memoize "stat"'],
+ ['MIME::Base64' => 'base64 encoded strings as in email attachments'],
+ ['Test::More' => 'modern framework for unit testing', 'is $got, $expected'],
+ ['Time::HiRes' => 'high resolution timers', '$μs = [gettimeofday]; sleep .1;'.$wbr.' $elapsed = tv_interval $μs'],
],
release => '2002-07-18',
+ distro => {
+ debian => '3.1', # sarge 2005-06 eol 2008-03, v5.8.8 in etch 2007-04 eol 2010-02
+ rhel => '3', # v5.8.0; v5.8.8 in RHEL6 (2007-2014)
+ solaris => '10', # v5.8.4; 2005-01 eol 2021-01
+ centos => '3-5', # v5.8.0 in v3 (2004-03); v5.8.8 in v5 (eol 2017-03)
+ ubuntu => '4.10', # v5.8.4 (2004-10); v5.8.7 in 6.06 LTS (2006-06); v5.8.8 in 8.04 LTS (2008-04)
+ aix => '5.2', # v5.8.0; v5.8.2 in 5.3 and 6.1 (eol 2017-04-30)
+ freebsd => '4-6',
+ opensuse => '8.1', # 2002-09 eol (SLES8 2002-10 eol 2007-12 ltss 2009-12)
+ },
+ distrosum => "RHEL 3, SLES 8, AIX 5/6 until 2017, Solaris 10 until 2021",
+ versum => 'stable minimum during 20[01]\d',
+ support => '2021-01', # solaris
+ unicode => '3.2.0',
},
+
v5.10 => {
new => [
- ['//', 'defined-or operator'],
- ['~~', 'smart-match operator to compare different data types'],
- ['given', 'switch statement to smart-match with when/default'],
- ['/(?)/ and $+{name}', 'named caputer buffers'],
- ['s/keep\K//', 'floating positive lookbehind, efficient alternative for s/(keep)/$1/'],
- ['/\v/, /\h/', 'vertical and horizontal whitespace escapes'],
- ['my $_', 'lexically scoped version of the default variable'],
+ ['//
', 'defined-or operator'],
+ ['~~
', 'smart-match operator to compare different data types (updated in v5.10.1)', {experimental => 'smartmatch'}],
+ ['say
', 'print with newline, equivalent to print @_, "\n"
', {feature => 'say'}],
+ ['given
', 'switch statement to smart-match with when
/default
', {name => 'switch', 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/
'],
+ ['/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 (scalars only until 5.28)', {feature => 'state'}],
+ ],
+ modules => [
+ [autodie => 'replace builtin functions to throw exceptions instead of returning failure', 'eval {open ...} or $@->matches("open") || die'],
+ # overloading
+ ['IO::Compress::Zip' => 'various file compression standards', 'zip IO::Uncompress::Gunzip->new("test.gz")'.$wbr.' => "recompressed.zip"'],
+ ['Time::Piece' => 'timestamps as objects', 'localtime->year > 1900'],
+ ['File::Fetch' => 'generic data retrieval/download', 'File::Fetch->new(uri => "http://localhost/")'.$wbr.'->fetch(to => \$slurp)'],
],
release => '2007-12-18',
+ distro => {
+ debian => '5.0', # lenny 2009-02 eol 2012-02
+ rhel => '6', # v5.10.1 (-6.9 2017-03 eol 2020-11 TuxCare els 2024-12)
+ centos => '6', # v5.10.1 (2011-07 eol 2020-11 TuxCare els 2024-11)
+ ubuntu => '8.10', # v5.10.1 in 10.04 LTS 2010-04 eol 2013-05
+ aix => '7.1', # v5.10.1 (2010-09 eol 2023-04)
+ opensuse => '11.0', # 2008-06 (SLES11 2009-03 eol 2019-03 ltss 2022-03)
+ },
+ distrosum => "SLES 11 until 2022, RHEL 6 until 2020 or commercially 2024, AIX 7.1 until 2023",
+ versum => "supported commercially until 2024",
+ support => '2024-11', # aix
+ unicode => '5.0.0',
},
+
v5.12 => {
new => [
- ['package version', 'package NAME VERSION shorthand for our $VERSION"'],
- ['...', 'yada-yada operator: code placeholder'],
- ['use strict', 'Implicit strictures if use VERSION >= 5.12'],
- ['... when', '"when" is now allowed to be used as a statement modifier'],
+ ['package
version', 'package
NAME VERSION shorthand for our $VERSION
'],
+ ['...
', 'yada-yada operator: code placeholder'],
+ ['use 5.012
', 'implicit strict
if use VERSION >= v5.12'],
+ ['⦠when
', 'when
is now allowed to be used as a statement modifier'],
+ [q"use overload 'qr'
", 'customisable conversion to regular expressions'],
+ ['/\N/
', 'inverse \n to match any character except newline regardless of /s
', {experimental => 0, stable => v5.18}],
+ ['each $ref
e.a.', 'array and hash container functions accept references', {experimental => 'autoderef', dropped => v5.23.1}],
],
release => '2010-04-12',
+ unicode => '5.2',
+ distro => {
+ solaris => '11', # also v5.8.4; 2010-11; v11.3 eol 2024-01
+ ubuntu => '11.10',
+ freebsd => '7',
+ opensuse => '11.3', # 2010-07
+ },
+ support => '2024-01', # solaris
},
+
v5.14 => {
new => [
- ['s///r', 'non-destructive substitution'],
- ['/(?^)/', 'construct to reset to default modifiers'],
- ['/(?{ m// })/', 'regular expressions can be nested in /(?{})/ and /(??{})/'],
- ["use re '/flags'", 'customize default modifiers'],
- ['each $ref e.a.', 'array and hash container functions accept references'],
+ ['s///r
', 'non-destructive substitution'],
+ ['/(?{ 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'],
+ ['FH->method
', 'filehandle method calls load IO::File on demand (eg. STDOUT->flush
)'],
+ ['\o{}
', 'escape sequence for octal values beyond \777'],
+ ],
+ modules => [
+ [JSON => 'interface with data in JavaScript Object Notation', 'decode_json <>'],
+ ['HTTP::Tiny' => 'minimal HTTP/1.1 client without LWP::UserAgent
overhead', {dropped => 0}],
+ # Unicode::Collate::Locale
],
release => '2011-05-14',
+ distro => {
+ debian => '7', # wheezy 2013-05 eol 2018-05 elts 2020-06
+ ubuntu => '12.04',
+ opensuse => '12.1', # 2011-11 (SLES12 2014-10 eol 2024-10 ltss 2027-10)
+ },
+ distrosum => "Debian 7 until 2020, Ubuntu 12.04, SLES 12 until 2027",
+ support => '2027-10', # suse
+ unicode => '6.0+#8',
},
+
v5.16 => {
new => [
- ['__SUB__', 'current subroutine reference'],
- ['fc, "\F"', 'unicode foldcase to compare case-insensitively'],
- ['"\N{}"', 'automatic use charnames qw( :full :short )'],
+ ['__SUB__
', 'current subroutine reference', {feature => 'current_sub'}],
+ ['fc, "\F"
', 'unicode foldcase to compare case-insensitively', {feature => 'fc'}],
+ ['"\N{}"
', 'automatic use charnames qw( :full :short )
'],
],
release => '2012-05-20',
+ distro => {
+ rhel => '7', # v5.16.3 (-7.9 2020-09 eol 2024-06)
+ centos => '7', # v5.16.3 (2014-07 eol 2024-06 TuxCare els 2028-06)
+ freebsd => '9',
+ opensuse => '12.2', # 2012-09
+ },
+ unicode => '6.1',
},
+
v5.18 => {
new => [
- ['${^LAST_FH}', 'last read filehandle (used by $.)'],
- ['/(?[ ⦠& ⦠+ ⦠- ⦠])/', 'regex set operations'],
- ['my sub foo', 'lexical subroutines (also state, our)'],
- ['next $expression', 'loop controls allow runtime expressions'],
+ ['${^LAST_FH}
', 'last read filehandle (used by $.
)'],
+ ['/(?[ a + b ])/
', 'regex set operations (character subtraction -
, union +
, intersection &
, xor ^
)', {experimental => 'regex_sets', stable => v5.36}],
+ ['my sub
', 'lexical subroutines (also state
, our
); buggy before v5.22', {experimental => 'lexical_subs', stable => v5.26}],
+ ['next $expression
', 'loop controls allow runtime expressions'],
+ [q"no warnings 'experimental::â¦'
", 'mechanism for experimental features, as of now required for smartmatch'],
],
release => '2013-05-18',
+ distro => {
+ ubuntu => '14.04 LTS', # trusty
+ opensuse => '13.1', # 2013-11 eol 2016-01
+ macos => '10.15', # pre-installed catalina 2019-10
+ },
+ unicode => '6.2',
+ },
+
+ v5.20 => {
+ new => [
+ ['sub ($var)
', 'subroutine signatures', {feature => 'signatures', experimental => 'signatures', stable => v5.36}],
+ ['%hash{â¦}
', 'hash slices return key+value pairs'],
+ ['[]->@*
', 'postfix dereferencing (also e.g. $scalar->$*
for $$scalar
)', {feature => 'postderef, postderef_qq', experimental => 'postderef', stable => v5.23.1}],
+ [q"use warnings 'once'; $a
", 'variables $a and $b are exempt from used once warnings'],
+ ],
+ unicode => '6.3',
+ release => '2014-05-27',
+ distro => {
+ debian => '8', # jessie 2015-04 eol 2018-06 lts 2020-06 elts 2025-06
+ ubuntu => '14.10', # utopic
+ aix => '7.2', # 2015-12 eol 2028?
+ opensuse => '13.2', # 2014-11 eol 2017-01
+ },
+ distrosum => "Debian 8 until 2025, Ubuntu 14.10, openSUSE 13.2, AIX 7.2",
+ versum => "extended vendor support 202X",
+ },
+
+ v5.22 => {
+ new => [
+ ['\$alias =
', 'aliasing via reference (scoped as of v5.25.3)', {experimental => 'refaliasing'}],
+ ['<<>>
', 'safe readline
ignoring open flags in arguments'],
+ ['/()/n
', 'flag to disable numbered capturing, turning ()
into (?:)
'],
+ ['/\b{}/
', 'boundary types: gcb (grapheme cluster), sb (sentence), wb (word)'],
+ ['&.
', '& | ^ ~
consistently numeric, dotted operators for strings', {feature => 'bitwise', experimental => 'bitwise', stable => v5.28}],
+ [q"use re 'strict'
", 'apply stricter syntax rules to regular expression patterns', {experimental => 're_strict'}],
+ ['0x.beep+0
', q"hexadecimal floating point notation with binary power; printf '%a'
to display"],
+ ['??
', 'single match shorthand (deprecated since v5.14) requires the operator m?PATTERN?
'],
+ ],
+ unicode => '7.0',
+ release => '2015-06-01',
+ distro => {
+ ubuntu => '16.04 LTS', # xenial 2016-04 eol 2021-04 TuxCare els 2025-04
+ },
+ },
+
+ v5.24 => {
+ new => [
+ [q"printf '%.*2$x'
", 'reordered precision arguments'],
+ ['/\b{lb}/
', 'line break boundary type (position suitable for hyphenation)'],
+ ['/faster/
', 'various significant speedups, notably matching fixed substrings, /i
on caseless languages, 64-bit arithmetic, scope overhead'],
+ ],
+ unicode => '8.0',
+ release => '2016-05-09',
+ distro => {
+ debian => '9', # stretch 2017-06 eol 2020-07 lts 2022-06 elts 2027-06
+ ubuntu => '17.04', # zesty 2017-04 eol 2018-01
+ freebsd => '10',
+ },
+ support => '2027-06',
+ },
+
+ v5.26 => {
+ new => [
+ ['<<~EOT
', 'indented here-docs, strips same whitespace before delimiter in each line'],
+ ['@{^CAPTURE}
', q"array of last match's captures, so ${^CAPTURE}[0]
is $1
"],
+ ['//xx
', 'extended modifier to also ignore whitespace in bracketed character classes'],
+ ],
+ modules => [
+ ['Test2::V0' => 'generic testing framework to replace Test::*
and TAP::*
'],
+ ],
+ unicode => '9.0', # also Script_Extensions/scx in "\p{script}"
+ release => '2017-05-30',
+ distro => {
+ ubuntu => '17.10', # artful 2017-10; 18.04 LTS 2018-04 eol 2023-04
+ opensuse => '15.0', # 2018-05 eol 2019-11; same in 15.4 2022-06
+ centos => '8', # 2019-09 eol 2021-12 TuxCare els 2026-01
+ },
+ distrosum => "stable servers such as Ubuntu 17.10+ (Debian >9), CentOS 8, openSUSE 15.0",
+ support => '2023-04',
+ },
+
+ v5.28 => {
+ new => [
+ ['delete %hash{â¦}
', 'hash slices can be deleted with key+value pairs'],
+ ['/(*â¦)/
', 'alphabetic synonyms for assertions, e.g. (*atomic:â¦)
for (?>â¦)
and (*nlb:â¦)
for (?<!â¦)
', {experimental => 'alpha_assertions', stable => v5.31.6}],
+ ['/(*script_run:)/
', 'enforces all characters to be from the same script', {experimental => 'script_run', stable => v5.31.6}],
+ ['state @a
', 'persistent lexical array or hash variables (in addition to scalars)', {name => 'state_ext'}],
+ ['perl -i -pe die
', 'safe in-place editing: files are replaced only after successful completion'],
+ ['${^SAFE_LOCALES}
', 'locales are thread-safe on supported systems, indicated by this variable'],
+ ],
+ unicode => '10.0',
+ release => '2018-06-22',
+ distro => {
+ debian => '10', # buster 2019-07
+ ubuntu => '19.04', # disco 2019-04 eol 2020-01
+ freebsd => '11', # eol 2021-09
+ macos => '11', # big sur 2020-11
+ },
+ distrosum => "stable systems such as Debian 10, Ubuntu 19.04, FreeBSD 11",
+ },
+
+ v5.30 => {
+ new => [
+ ['/(?<=var+)
', 'variable length lookbehind assertions', {experimental => 'vlb', stable => v5.36}],
+ ['m(\p{nv=/.*/})
', 'match unicode properties by regular expressions', {experimental => 'uniprop_wildcards'}],
+ ['my $state if 0
', 'workaround for state
(deprecated since v5.10!) is now prohibited'],
+ [q"qr'\N'
", 'Delimiters must be graphemes; unescaped {
illegal; \N
in single quotes'],
+ ],
+ unicode => '12.1',
+ release => '2019-05-22',
+ distro => {
+ ubuntu => '20.04', # focal LTS 2020-04 eol 2025-04
+ macos => '11.3', # big sur 2021-04 and monterrey 2021-10, alongside compatibility v5.18
+ },
+ },
+
+ v5.32 => {
+ new => [
+ ['isa
', 'infix operator to check class instance', {feature => 'isa', experimental => 'isa', stable => v5.36}],
+ ['$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'],
+ ["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'],
+ ],
+ unicode => '13.0',
+ release => '2020-06-20',
+ details => 'https://www.effectiveperlprogramming.com/2020/01/perl-v5-32-new-features/',
+ distro => {
+ debian => '11', # bullseye 2021-08
+ ubuntu => '21.04', # hirsute 2021-04 eol 2022-01
+ rhel => '8', # -8.7 and -9.1 2022-11
+ solaris => '11.4', # 2018-08 eol 2034-11 (SRU 38 removes 5.22, 5.26)
+ },
+ distrosum => "stable systems such as Debian 11, Ubuntu 21.04, RHEL 8, Solaris 11.4, AIX 7.3",
+ support => '2034-11', # solaris
+ },
+
+ v5.34 => {
+ new => [
+ ['try {} catch
', 'exception handling similar to eval blocks', {feature => 'try', 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'],
+ ['no feature â¦
', 'disable discouraged practices of bareword_filehandles
and multidimensional
array emulation'],
+ ],
+ release => '2021-05-20',
+ distro => {
+ ubuntu => '22.04', # jammy LTS 2022-04 eol 2027-04
+ aix => '7.3', # 2021-12 eol 2035?
+ },
+ },
+
+ v5.36 => {
+ new => [
+ ['use v5.36
', "use warnings
; use feature qw'signatures isa
'; no feature qw'indirect multidimensional switch
'"],
+ ['use builtin
', 'namespace for interpreter functions, such as weaken
and blessed
from Scalar::Util
, ceil
/floor
from POSIX
, and trim
like String::Util
', {experimental => 'builtin'}],
+ ['is_bool(!0)
', 'distinguish scalar variable types (by builtin
functions) for data interoperability', {name => 'is_bool'}],
+ ['for my ($k, $v) (%hash)
', 'iterate over multiple values at a time (including builtin::indexed
for arrays)', {experimental => 'for_list', feature => 'for_list'}],
+ ['defer {}
', 'queue code to be executed when going out of scope', {feature => 'defer', experimental => 'defer'}],
+ ['try {} finally {}
', 'run code at the end of a try
construct regardless of failure', {name => 'finally', feature => 'try', experimental => 'try'}],
+ ['q«â¦Â»
', 'unicode delimiters for quoting operators', {experimental => 'extra_paired_delimiters'}],
+ ['sub ($var) {!pop}
', 'signatured subs are stable, but mixing with the arguments array @_
remains experimental', {feature => 'signatures', experimental => 'args_array_with_signatures'}],
+ ['$SIG{FPE}
', 'floating-point exceptions no longer deferred but delivered immediately like other signals', {name => 'sig_fpe'}],
+ ['perl -g
', 'disable input record separator (slurp mode), alias for -0777
'],
+ ],
+ unicode => '14.0',
+ release => '2022-05-28',
+ distro => {
+ debian => '12', # bookworm 2023-06
+ ubuntu => '23.04', # lunar upcoming
+ },
+ },
+
+ v5.38 => {
+ new => [
+ ['use feature "module_true"
', 'default in use 5.37 and up, also no feature "bareword_filehandles"
'],
+ ['sub ($var ||=
default)
', 'assign values when false (or undefined on //=
) instead of omitted'],
+ ['/(*{ ⦠})/
', 'optimistic eval: (?{ ⦠})
with regex optimisations enabled'],
+ ['class
', "define object classes: packages with field
variables and method
subroutines", {feature => 'class', experimental => 'class'}],
+ ['${^LAST_SUCCESSFUL_PATTERN}
', 'explicit variable to access the previous match as in s//â¦/
'],
+ ['%{^HOOK}
', "perform tasks require__before
and require__after
when calling require
"], # also @INC hook enhancements
+ ['PERL_RAND_SEED
', 'environment variable to set srand
random number seed', {dropped => 0}],
+ ['is_tainted
', 'builtin
function to check variable tainting like Scalar::Util::tainted
', {dropped => 0, experimental => 'builtin', eg => 'builtin::is_tainted($ENV{PWD}) and say "running perl -T"'}],
+ ['export_lexically
', 'builtin
function to export named functions into the calling scope', {dropped => 0, experimental => 'builtin', eg => 'method import {builtin::export_lexically {map {$_ => $self->can($_)} @_}}'}],
+ ],
+ unicode => '15.0',
+ release => '2023-07-02',
},
}