perl: significant modules for other versions

diff --git a/perl.inc.pl b/perl.inc.pl
index ba330baddc1bc671c1c70d843c39943362c8e449..0b6ab2cb27d86e291e7af60b57bf754e5d2a6630 100644 (file)
--- a/perl.inc.pl
+++ b/perl.inc.pl
@@ -11,7 +11,7 @@ use utf8;
 
        v5.005 => {
                new => [
-                       ['threads' => '', {experimental => 0, stable => 0}],
+                       ['<code>lock</code>', 'obsolete <code>Thread</code> implementation, including a keyword to place advisory locks on shared variables', {experimental => 0, stable => 0, removed => v5.10}],
                        ['<code>B::…</code>', 'backend hooks'],
                        ['<code>qr//</code>' => 'overhauled regular expression engine: precompile operator, lookahead/behind, code, conditions, localised flags'],
                        ['<code>… foreach</code>' => '<code>for(each)</code> as statement modifier, with large ranges optimised as counting loops'],
@@ -23,6 +23,13 @@ use utf8;
                        ['<code>splice …,…,-$length</code>', 'negative length indicates elements to keep at the end of an array'],
                        ['<code>$/</code>', 'integer or scalar separator makes <code>&lt;&gt;</code> read records instead of lines'],
                ],
+               modules => [
+                       ['Data::Dumper' => 'stringify data structures'],
+                       ['Errno' => 'system <code>errno.h</code> constants'],
+                       ['File::Spec'],
+                       ['Fatal'],
+                       ['Test'],
+               ],
                release => '1998-07-22',
                unstable => 0,
        },
@@ -64,15 +71,18 @@ use utf8;
                        [q"<code>open $fh, '>', \$var</code>", 'perl scalars as virtual files'],
                        [q"<code>printf '%1$s', @args</code>", 'syntax to use parameters out of order'],
                        [q"<code>1_2_3 == 123</code>", 'underscores between digits allowed in numeric constants'],
-#                      [q"<code>use if</code>", 'conditional module inclusion'], # also installable in earlier versions
                ],
                modules => [
+                       [bignum => 'transparent big number support', 'length 1e100 == 101'],
+                       [if => 'conditional module inclusion', 'no if $] >= 5.022, "warnings", "redundant"'],
+                       [sort => 'override sort() algorithm', {dropped => v5.28, eg => 'sort::current eq "stable"'}],
                        [Digest => 'calculate various message digests (data hashes)', '$hash = sha256_hex($data)'],
                        [Encode => 'character set conversion', 'encode("utf8", decode("iso-8859-1", $octets))'],
-                       #[sort => 'control sort() behaviour'],
+                       ['File::Temp' => 'create a temporary file or directory safely', '$fh = tempfile();'],
                        ['List::Util' => 'general-utility list subroutines', '@cards = shuffle 0..51'],
+                       ['Locale::Maketext' => 'various localization and internationalization in <code>Locale::*</code> and <code>L18N::*</code>'],
+                       ['Memoize' => 'remember function results, trading space for time', 'memoize "stat"'],
                        ['MIME::Base64' => 'base64 encoded strings as in email attachments'],
-                       [open => 'set default PerlIO layers'],
                        ['Test::More' => 'modern framework for unit testing', 'is $got, $expected'],
                        ['Time::HiRes' => 'high resolution timers', '$μs = [gettimeofday]; sleep .1; $elapsed = tv_interval $μs'],
                ],
@@ -109,6 +119,13 @@ use utf8;
                        ['<code>my $_</code>', 'lexically scoped version of the default variable', {experimental => 'lexical_topic', dropped => v5.23.4}],
                        ['<code>state</code>', 'persistent <code>my</code> variables (scalars only until <a href="#state_ext">5.28</a>)', {feature => 'state'}],
                ],
+               modules => [
+                       [autodie => 'replace builtin functions to throw exceptions instead of returning failure', 'eval {open ...} or $@->matches("open") || die'],
+                       # overloading
+                       ['IO::Compress::Zip' => 'various file compression standards', 'zip IO::Uncompress::Gunzip->new("test.gz") => "recompressed.zip"'],
+                       ['Time::Piece' => 'timestamps as objects', 'localtime->year > 1900'],
+                       ['File::Fetch' => 'generic data retrieval/download', 'File::Fetch->new(uri => "http://localhost/")->fetch(to => \$slurp)'],
+               ],
                release => '2007-12-18',
                distro => {
                        debian => '5.0', # lenny 2009-02 eol 2012-02
@@ -155,6 +172,11 @@ use utf8;
                        ['<code>FH->method</code>', 'filehandle method calls load IO::File on demand (eg. <code>STDOUT->flush</code>)'],
                        ['<code>\o{}</code>', 'escape sequence for octal values beyond \777'],
                ],
+               modules => [
+                       [JSON => 'interface with data in JavaScript Object Notation', 'decode_json <>'],
+                       ['HTTP::Tiny' => 'minimal HTTP/1.1 client without <code>LWP::UserAgent</code> overhead'],
+                       # Unicode::Collate::Locale
+               ],
                release => '2011-05-14',
                distro => {
                        debian => '7', # wheezy 2013-05 eol 2018-05 elts 2020-06
@@ -257,6 +279,9 @@ use utf8;
                        ['<code>@{^CAPTURE}</code>', q"array of last match's captures, so <code>${^CAPTURE}[0]</code> is <code>$1</code>"],
                        ['<code>//xx</code>', 'extended modifier to also ignore whitespace in bracketed character classes'],
                ],
+               modules => [
+                       ['Test2::V0' => 'generic testing framework to replace <code>Test::*</code> and <code>TAP::*</code>'],
+               ],
                unicode => '9.0', # also Script_Extensions/scx in "\p{script}"
                release => '2017-05-30',
                distro => {