X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/3d98f383412643f025a5ab9910e5d07348f8c1c3..54c320d4bbbdafdf74ba2256d497702d309711b8:/perl.inc.pl diff --git a/perl.inc.pl b/perl.inc.pl index b499bf8..67774cf 100644 --- a/perl.inc.pl +++ b/perl.inc.pl @@ -3,71 +3,93 @@ use utf8; +{ 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'], + ['use utf8', 'experimental unicode semantics (completed in 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'], +# ['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)'], + ['sort $coderef ()', 'comparison function can be a subroutine reference; prototype ($$) to pass elements as normal @_'], + ['CHECK {}', 'special block called at end of compilation'], + ['/[[:…:]]/', 'POSIX character class syntax such as /[[:alpha:]]/'], + # quite a lot more, but leave it at this ], release => '2000-03-23', distro => { debian => 'woody', - redhat => '2.1', + rhel => '2', # v5.6.0; also in red hat 7.0 + solaris => '9', # v5.6.1; 2002-05 eol 2014-10 }, unicode => '3.0.1', }, v5.8 => { new => [ - ['unicode overhaul'], - ['PerlIO'], + [q`no utf8`, 'full unicode support, utf8 pragma only for script encoding'], + [q`binmode $fh, ':perlio'`, 'file handle behaviour altered by PerlIO layers'], + [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'], +# [q`use if`, 'conditional module inclusion'], # also installable in earlier versions ], release => '2002-07-18', distro => { debian => 'sarge', - redhat => '3.9', + 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) }, 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'], - ['/(?)/', 'named capture buffers into %+'], - ['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)'], + ['given', 'switch statement to smart-match with when/default'], + ['/(?<name>)/', 'named capture buffers into %+'], + ['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'], ], release => '2007-12-18', distro => { debian => 'lenny', - redhat => '6.5', + rhel => '6', # v5.10.1 + centos => '6', # v5.10.1 (2011-07 eol 2020-11) }, 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'], ], release => '2010-04-12', unicode => '5.2', + distro => { + solaris => '11', # also v5.8.4; 2010-11 eol 2024-11 + }, }, 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'], - ['FH->method', 'filehandle method calls load IO::File on demand (eg. STDOUT->flush)'], + ['s///r', 'non-destructive substitution'], + ['/(?^)/', 'construct to reset to default modifiers'], + ['/(?{ m() })/', 'regular expressions can be nested in /(?{})/ and /(??{})/'], + ["use re '/flags'", 'customise default modifiers'], + ['each $ref e.a.', 'array and hash container functions accept references'], + ['FH->method', 'filehandle method calls load IO::File on demand (eg. STDOUT->flush)'], ], release => '2011-05-14', distro => { @@ -78,40 +100,52 @@ use utf8; 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'], + ['fc, "\F"', 'unicode foldcase to compare case-insensitively'], + ['"\N{}"', 'automatic use charnames qw( :full :short )'], ], release => '2012-05-20', distro => { - redhat => '7.0', + rhel => '7', # v5.16.3 + centos => '7', # v5.16.3 (2014-07 eol 2024-06) }, unicode => '6.1', }, v5.18 => { new => [ - ['${^LAST_FH}', 'last read filehandle (used by $.)'], - ['/(?[ a + b ])/', 'regex set operations (character substraction -, unions &)'], - ['my sub foo', 'lexical subroutines (also state, our)'], - ['next $expression', 'loop controls allow runtime expressions'], - ["no warnings 'experimental::…'", 'mechanism for experimental features, as of now required for smartmatch'], + ['${^LAST_FH}', 'last read filehandle (used by $.)'], + ['/(?[ a + b ])/', 'regex set operations (character substraction -, unions &)'], + ['my sub', 'lexical subroutines (also state, our)'], + ['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 => { - debian => 'jessie', - }, unicode => '6.2', }, v5.20 => { new => [ - ['sub ($var)', 'subroutine signatures'], - ['%hash{…}', 'hash slices return key+value pairs'], - ['[]->@*', 'postfix dereferencing (also e.g. $scalar->$* for $$scalar)'], - ['use warnings; $a', 'variables $a and $b are exempt from used once warnings'], + ['sub ($var)', 'subroutine signatures'], + ['%hash{…}', 'hash slices return key+value pairs'], + ['[]->@*', 'postfix dereferencing (also e.g. $scalar->$* for $$scalar)'], + [q(use warnings 'once'; $a), 'variables $a and $b are exempt from used once warnings'], ], unicode => '6.3', release => '2014-05-27', + distro => { + debian => 'jessie', + }, + }, + + v5.21.8 => { + new => [ + ['\$alias =', 'aliasing via reference'], + ['<<>>', 'safe readline ignoring open flags in arguments'], + ['/()/n', 'flag to disable numbered capturing, turning () into (?:)'], + ], + unicode => '7.0', + release => '2015-01-20', + unstable => 1, }, }