perl.inc.pl

   1 use utf8;
   2
   3 +{
   4         v5.6 => {
   5                 new => [
   6                         ['use utf8'],
   7                         ['\N{named character}'],
   8                         ['our'],
   9                         ['v1.2.3'],
  10                         ['sub :locked :method'],
  11                         ['open $fh, $mode, $expr'],
  12                 ],
  13                 release => '2000-03-23',
  14         },
  15         v5.8 => {
  16                 new => [
  17                         ['unicode overhaul'],
  18                         ['PerlIO'],
  19                 ],
  20                 release => '2002-07-18',
  21         },
  22         v5.10 => {
  23                 new => [
  24                         ['//', 'defined-or operator'],
  25                         ['~~', 'smart-match operator to compare different data types'],
  26                         ['given', 'switch statement to smart-match with when/default'],
  27                         ['/(?<name>)/ and $+{name}', 'named caputer buffers'],
  28                         ['s/keep\K//', 'floating positive lookbehind, efficient alternative for s/(keep)/$1/'],
  29                         ['/\v/, /\h/', 'vertical and horizontal whitespace escapes'],
  30                         ['my $_', 'lexically scoped version of the default variable'],
  31                 ],
  32                 release => '2007-12-18',
  33         },
  34         v5.12 => {
  35                 new => [
  36                         ['package version', 'package NAME VERSION shorthand for our $VERSION"'],
  37                         ['...', 'yada-yada operator: code placeholder'],
  38                         ['use strict', 'Implicit strictures if use VERSION >= 5.12'],
  39                         ['... when', '"when" is now allowed to be used as a statement modifier'],
  40                 ],
  41                 release => '2010-04-12',
  42         },
  43         v5.14 => {
  44                 new => [
  45                         ['s///r', 'non-destructive substitution'],
  46                         ['/(?^)/', 'construct to reset to default modifiers'],
  47                         ['/(?{ m// })/', 'regular expressions can be nested in /(?{})/ and /(??{})/'],
  48                         ["use re '/flags'", 'customize default modifiers'],
  49                         ['each $ref e.a.', 'array and hash container functions accept references'],
  50                 ],
  51                 release => '2011-05-14',
  52         },
  53         v5.16 => {
  54                 new => [
  55                         ['__SUB__', 'current subroutine reference'],
  56                         ['fc, "\F"', 'unicode foldcase to compare case-insensitively'],
  57                         ['"\N{}"', 'automatic use charnames qw( :full :short )'],
  58                 ],
  59                 release => '2012-05-20',
  60         },
  61         v5.18 => {
  62                 new => [
  63                         ['${^LAST_FH}', 'last read filehandle (used by $.)'],
  64                         ['/(?[ … & … + … - … ])/', 'regex set operations'],
  65                         ['my sub foo', 'lexical subroutines (also state, our)'],
  66                         ['next $expression', 'loop controls allow runtime expressions'],
  67                 ],
  68                 release => '2013-05-18',
  69         },
  70 }