X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/433ac58bb5d38ead5b3bf296caaacacdeefb5986..dc1ab5f00eed170e75fe40687b381369a35760b8:/perl.inc.pl diff --git a/perl.inc.pl b/perl.inc.pl index 940b16e..9d416eb 100644 --- a/perl.inc.pl +++ b/perl.inc.pl @@ -1,6 +1,24 @@ use utf8; +{ + v5.005 => { + new => [ + ['threads' => '', {experimental => 0, stable => 0}], + ['B::…', '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'], + ['…::' => 'implicitly quoted package name'], + ['ref $@' => 'die passes reference values to exception handlers'], + ['INIT {}', 'subs run just before the perl runtime begins execution'], + ['tie @…' => 'base class for TIEARRAY implementations, and generally improved supported of tied handlers'], + ['substr …,…,…,$replace', 'replacement string in 4th argument'], + ['splice …,…,-$length', 'negative length indicates elements to keep at the end of an array'], + ['$/', 'integer or scalar separator makes <> read records instead of lines'], + ], + release => '1998-07-22', + unstable => 0, + }, + v5.6 => { new => [ ['use warnings', 'pragma to enable warnings in lexical scope'], @@ -24,6 +42,7 @@ use utf8; 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', }, unicode => '3.0.1', }, @@ -46,7 +65,10 @@ use utf8; centos => '3-5', # v5.8.0 in v3 (2004-03); v5.8.8 in v5 (eol 2017-03) ubuntu => '4.10', 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', }, + distrosum => "dinosaur platforms such as Solaris 10, AIX 5.2, RHEL 3, SLES 8", unicode => '3.2.0', }, @@ -58,9 +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'}], ], @@ -71,6 +95,7 @@ use utf8; centos => '6', # v5.10.1 (2011-07 eol 2020-11) ubuntu => '8.10', # v5.10.1 in 10.04 LTS aix => '7.1', # v5.10.1 (2010-09 eol 2020?) + opensuse => '11.0', }, unicode => '5.0.0', }, @@ -89,23 +114,29 @@ use utf8; distro => { solaris => '11', # also v5.8.4; 2010-11 eol 2024-11 ubuntu => '11.10', + freebsd => '7', + opensuse => '11.3', }, }, 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 $ref e.a.', 'array and hash container functions accept references', {experimental => 'postderef', dropped => v5.23.1}], ['FH->method', 'filehandle method calls load IO::File on demand (eg. STDOUT->flush)'], + ['\o{}', 'escape sequence for octal values beyond \777'], ], release => '2011-05-14', distro => { - debian => 'wheezy', + debian => '7', # wheezy 2013-05 eol 2018-05 ubuntu => '12.04', + opensuse => '12.1', }, + distrosum => "stable servers such as Debian 7, Ubuntu 12.04, CentOS 7", unicode => '6.0+#8', }, @@ -119,6 +150,8 @@ use utf8; distro => { rhel => '7', # v5.16.3 centos => '7', # v5.16.3 (2014-07 eol 2024-06) + freebsd => '9', + opensuse => '12.2', }, unicode => '6.1', }, @@ -127,13 +160,14 @@ use utf8; new => [ ['${^LAST_FH}', 'last read filehandle (used by $.)'], ['/(?[ a + b ])/', 'regex set operations (character substraction -, unions &)', {experimental => 'regex_sets'}], - ['my sub', 'lexical subroutines (also state, our); buggy before v5.22', {feature => 'lexical_subs', experimental => 'lexical_subs'}], + ['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::…'", 'mechanism for experimental features, as of now required for smartmatch'], ], release => '2013-05-18', distro => { - ubuntu => '14.04', + ubuntu => '14.04 LTS', # trusty + opensuse => '13.1', }, unicode => '6.2', }, @@ -148,10 +182,12 @@ use utf8; unicode => '6.3', release => '2014-05-27', distro => { - debian => 'jessie', - ubuntu => '14.10', + debian => '8', # jessie 2015-04 eol 2020-05 + ubuntu => '14.10', # utopic aix => '7.2', + opensuse => '13.2', # 2014-11 eol 2017-01 }, + distrosum => "stable servers such as Debian 8 (oldstable), Ubuntu 14.10, FreeBSD 10, openSUSE 13.2", }, v5.22 => { @@ -160,14 +196,15 @@ use utf8; ['<<>>', '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', {experimental => 'bitwise'}], + ['&.', '& | ^ ~ 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', + ubuntu => '16.04 LTS', # xenial }, }, @@ -179,15 +216,74 @@ use utf8; ], unicode => '8.0', release => '2016-05-09', + distro => { + debian => '9', # stretch 2017-06 + ubuntu => '17.04', # zesty + freebsd => '10', + }, }, - v5.25.10 => { + 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 $1"], ['//xx', 'extended modifier to also ignore whitespace in bracketed character classes'], ], unicode => '9.0', # also Script_Extensions/scx in "\p{script}" - release => '2017-02-20', + release => '2017-05-30', + distro => { + ubuntu => '17.10', # artful + }, + }, + + v5.28 => { + new => [ + ['delete %hash{…}', 'hash slices can be deleted with key+value pairs'], + ['/(*…)/', 'alphabetic synonyms for assertions, e.g. (*atomic:…) for (?>…) and (*nlb:…) for (?<!…)', {experimental => 'alpha_assertions', stable => v5.31.6}], + ['/(*script_run:)/', 'enforces all characters to be from the same script', {experimental => 'script_run', stable => v5.31.6}], + ['state @a', 'persistent lexical array or hash variables'], + ['perl -i -pe die', 'safe in-place editing: files are replaced only after successful completion'], + ['${^SAFE_LOCALES}', 'locales are thread-safe on supported systems, indicated by this variable'], + ], + unicode => '10.0', + release => '2018-06-22', + distro => { + }, + }, + + v5.30 => { + new => [ + ['/(?<=var+)', 'variable length lookbehind assertions', {experimental => 'vlb'}], + ['m(\p{nv=/.*/})', 'match unicode properties by regular expressions', {experimental => 'uniprop_wildcards'}], + ['my $state if 0', 'workaround for state (deprecated since v5.10!) is now prohibited'], + [q"qr'\N'", 'Delimiters must be graphemes; unescaped { illegal; \N in single quotes'], + ], + unicode => '12.1', + release => '2019-05-22', + }, + + v5.32 => { + new => [ + ['isa', 'infix operator to check class instance'], + ['$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'], + ["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/', + }, + + 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 0… and oct'], + ['re::optimization(qr//)', 'debug regular expression optimization information discovered at compile time'], + ], + release => '2021-05-20', }, }