X-Git-Url: http://git.shiar.net/sheet.git/blobdiff_plain/7ab47273e6cf2954ff32921e591739e72b788318..80a615f8414664e34d48d6ffc1263943ae6fbf73:/perl.inc.pl?ds=sidebyside
diff --git a/perl.inc.pl b/perl.inc.pl
index 4677c9f..abdf7a9 100644
--- a/perl.inc.pl
+++ b/perl.inc.pl
@@ -3,70 +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)', 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', 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)', 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 => '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)', 'experimental::smartmatch'],
+ ['given
', 'switch statement to smart-match with when
/default
', 'experimental::smartmatch'],
+ ['/(?<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', 'experimental::lexical_topic'],
],
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
', v5.18],
],
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'],
+ ['s///r
', 'non-destructive substitution'],
+ ['/(?^)/
', 'construct to reset to default modifiers'],
+ ['/(?{ m() })/
', 'regular expressions can be nested in /(?{})/
and /(??{})/
', v5.20],
+ [q"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 => {
@@ -77,37 +100,55 @@ 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::â¦'", '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 &
)', 'experimental::regex_sets'],
+ ['my sub
', 'lexical subroutines (also state
, our
)', 'experimental::lexical_subs'],
+ ['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',
+ unicode => '6.2',
+ },
+
+ v5.20 => {
+ new => [
+ ['sub ($var)
', 'subroutine signatures', 'experimental::signatures'],
+ ['%hash{â¦}
', 'hash slices return key+value pairs'],
+ ['[]->@*
', 'postfix dereferencing (also e.g. $scalar->$*
for $$scalar
)', 'experimental::postderef'],
+ [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',
},
- unicode => '6.2',
},
- v5.19.5 => {
+ v5.22 => {
new => [
- ['%hash{â¦}', 'hash slices return key+value pairs'],
- ['[]->@*', 'postfix dereferencing (also e.g. $scalar->$* for $$scalar)'],
+ ['\$alias =
', 'aliasing via reference'],
+ ['<<>>
', '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'],
+ [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"],
],
- unicode => '6.3',
+ unicode => '7.0',
+ release => '2015-06-01',
},
}