X-Git-Url: http://git.shiar.net/sheet.git/blobdiff_plain/15c3c1b34a2b34773d8ca4c67a8f8698ed8f310d..4c2f24f94e9ce8918044815b7dc36922bf3bb70b:/perl.inc.pl
diff --git a/perl.inc.pl b/perl.inc.pl
index e010b26..41903a6 100644
--- a/perl.inc.pl
+++ b/perl.inc.pl
@@ -100,17 +100,18 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
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',
+ versum => 'stable minimum upto 2021',
support => '2021-01', # solaris
unicode => '3.2.0',
},
v5.10 => {
new => [
+ ['use v5.10
', 'minimal perl version with bundled features (pragma to lexically enable backwards-incompatible syntax)'],
['//
', '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'}],
+ ['say
', 'print with newline, equivalent to print @_, "\n"
', {feature => 'say', bundle => 0}],
+ ['given
', 'switch statement to smart-match with when
/default
', {name => 'switch', feature => 'switch', bundle => 0, experimental => 'smartmatch'}],
['/(?<name>)/
', 'named capture buffers into %+
'],
['/(?1)/
', 'recursive regular expression patterns'],
['/(?|)/
', 'resets capture numbering for each contained branch'],
@@ -119,7 +120,7 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
['/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'}],
+ ['state
', 'persistent my
variables (scalars only until 5.28)', {feature => 'state', bundle => 0}],
],
modules => [
[autodie => 'replace builtin functions to throw exceptions instead of returning failure', 'eval {open ...} or $@->matches("open") || die'],
@@ -145,7 +146,7 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
v5.12 => {
new => [
- ['package
version', 'package
NAME VERSION shorthand for our $VERSION
'],
+ ['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'],
@@ -172,7 +173,9 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
[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'],
+ ['\o{}
', 'escape sequence for octal values beyond 0777'],
+ ['package {}
', 'package declaration in scope of code block only'],
+ ['multiple: labels:
', 'statement labels allowed in all places, even before other labels'],
],
modules => [
[JSON => 'interface with data in JavaScript Object Notation', 'decode_json <>'],
@@ -192,8 +195,9 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
v5.16 => {
new => [
- ['__SUB__
', 'current subroutine reference', {feature => 'current_sub'}],
- ['fc, "\F"
', 'unicode foldcase to compare case-insensitively', {feature => 'fc'}],
+ ["no feature ${wbr}'array_base'
", 'disables $[
to alter the 0 index of the first array element or substring character', {bundle => 0, dropped => v5.30}],
+ ['__SUB__
', 'current subroutine reference', {feature => 'current_sub', bundle => 0}],
+ ['fc, "\F"
', 'unicode foldcase to compare case-insensitively', {feature => 'fc', bundle => 0}],
['"\N{}"
', 'automatic use charnames qw( :full :short )
'],
],
release => '2012-05-20',
@@ -208,6 +212,7 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
v5.18 => {
new => [
+ ['PERL_PERTURB_KEYS=1', 'hash overhaul; order is randomised instead of being semi-repeatable', {eg => 'each %{{%hash}} ne each %{{%hash}}'}],
['${^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}],
@@ -225,9 +230,9 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
v5.20 => {
new => [
- ['sub ($var)
', 'subroutine signatures', {feature => 'signatures', experimental => 'signatures', stable => v5.36}],
+ ['sub ($var)
', 'subroutine signatures', {feature => 'signatures', experimental => 'signatures', stable => v5.36, bundle => 0}],
['%hash{â¦}
', 'hash slices return key+value pairs'],
- ['[]->@*
', 'postfix dereferencing (also e.g. $scalar->$*
for $$scalar
)', {feature => 'postderef, postderef_qq', experimental => 'postderef', stable => v5.23.1}],
+ ['[]->@*
', 'postfix dereferencing (also e.g. $scalar->$*
for $$scalar
)', {feature => 'postderef, postderef_qq', experimental => 'postderef', stable => v5.24, bundle => 0}],
[q"use warnings 'once'; $a
", 'variables $a and $b are exempt from used once warnings'],
],
unicode => '6.3',
@@ -248,7 +253,7 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
['<<â¦>>
', '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}],
+ ['&.
', '& | ^ ~
consistently numeric, dotted operators for strings', {feature => 'bitwise', experimental => 'bitwise', stable => v5.28, bundle => 0}],
[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?
'],
@@ -280,6 +285,7 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
v5.26 => {
new => [
+ ["use lib '.'
", 'current directory no longer included in default module search path @INC
'],
['<<~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'],
@@ -336,11 +342,11 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
v5.32 => {
new => [
- ['isa
', 'infix operator to check class instance', {feature => 'isa', experimental => 'isa', stable => v5.36}],
+ ['isa
', 'infix operator to check class instance', {feature => 'isa', experimental => 'isa', stable => v5.36, bundle => 0}],
['$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
, enforced since use 5.36', {name => 'indirect'}],
+ ["no feature 'indirect'
", 'disable indirect object notation such as new Class
instead of Class->new
', {name => 'indirect', bundle => v5.36}],
['streamzip', 'program distributed with core IO::Compress::Base to compress stdin into a zip container'],
],
unicode => '13.0',
@@ -358,12 +364,12 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
v5.34 => {
new => [
- ['try {} catch
', 'exception handling similar to eval blocks', {feature => 'try', experimental => 'try', stable => v5.40}],
+ ['try {} catch
', 'exception handling similar to eval blocks', {feature => 'try', experimental => 'try', stable => v5.40, bundle => 0}],
['/{,n}/
', 'empty lower bound quantifier is accepted as shorthand for 0'],
['\x{ ⦠}
', 'insignificant space within curly braces, also for \b{}
, \g{}
, \k{}
, \N{}
, \o{}
as well as /{m,n}/
quantifiers'],
['0o0
', 'octal prefix 0o
alternative to 0â¦
and oct
'],
["re::optimization(${wbr}qr//)
", 'debug regular expression optimization information discovered at compile time'],
- ['no feature â¦
', 'disable discouraged practices of multidimensional
and bareword_filehandles
array emulation, applied in 5.36 and 5.38', {name => 'feature_534'}],
+ ['no feature â¦
', 'disable discouraged practices of multidimensional
and bareword_filehandles
array emulation', {name => 'feature_534', bundle => [v5.36, v5.38]}],
],
release => '2021-05-20',
distro => {
@@ -375,7 +381,7 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
v5.36 => {
new => [
['use v5.36
', q{use warnings
; use feature qw'signatures isa
'; no feature qw'indirect multidimensional switch
'}],
- ['use builtin
', 'namespace for interpreter functions, such as weaken
and blessed
from Scalar::Util
, ceil
/floor
from POSIX
, and trim
like String::Util
', {experimental => 'builtin', stable => v5.40}],
+ ['use builtin
', 'namespace for interpreter functions, such as weaken
and blessed
from Scalar::Util
, ceil
/floor
from POSIX
, and trim
like String::Util
', {experimental => 'builtin', stable => v5.40, bundle => 0}],
['is_bool(!0)
', 'distinguish scalar variable types (by builtin
functions) for data interoperability', {name => 'is_bool'}],
['for my ($k, $v) (%hash)
', 'iterate over multiple values at a time (including builtin::indexed
for arrays)', {experimental => 'for_list', feature => 'for_list', stable => v5.40}],
['defer {}
', 'queue code to be executed when going out of scope', {feature => 'defer', experimental => 'defer'}],
@@ -395,7 +401,7 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
v5.38 => {
new => [
- ['use feature "module_true"
', 'default in use 5.37 and up, also no feature "bareword_filehandles"
'],
+ ['use feature "module_true"
', 'packages implicitly return true, enabled along with no feature "bareword_filehandles"
', {name => 'module_true', bundle => 0}],
['sub ($var ||=
default)
', 'assign values when false (or undefined on //=
) instead of omitted'],
['/(*{ ⦠})/
', 'optimistic eval: (?{ â¦Â })
with regex optimisations enabled'],
['class
', "define object classes: packages with field
variables and method
subroutines", {feature => 'class', experimental => 'class'}],
@@ -412,7 +418,7 @@ my $wbr = "\N{ZERO WIDTH SPACE}";
v5.40 => {
new => [
['use v5.40
', 'import builtin functions and enable the try feature'],
- ['__CLASS__
', 'keyword to reference to the current class name, similar to __PACKAGE__
', {feature => 'class'}],
+ ['__CLASS__
', 'keyword to reference to the current class name, similar to __PACKAGE__
', {feature => 'class', name => 'class_ref'}],
[':reader
', 'attribute for field variables to create corresponding accessor methods', {feature => 'class'}],
['^^
', 'higher precedence logical xor
operator, as ||
is to or
'],
['perl -M â¦
', 'whitespace allowed after -M
options', {dropped => 0}],