Html({
title => 'perl version cheat sheet',
- version => '1.4',
+ version => '1.7',
keywords => [qw'
perl version feature features comparison
sheet cheat overview summary
data => ['perl.inc.pl'],
});
+use experimental 'signatures';
:>
<h1>Perl release summary</h1>
$info->{$vcore}{versum} //= "official security patches";
# «We encourage vendors to ship the most recent supported release of Perl
- # at the time of their code freeze» with debian&ubuntu having 5 years LTS
- my $vendoreol = ($now - ONE_YEAR * 5)->strftime('%F');
+ # at the time of their code freeze»
+ # assume debian ships after 1 year, and expires after 5 years LTS
+ my $vendoreol = ($now - ONE_YEAR * 6)->strftime('%F');
my $vdebian = first {
$info->{$_}{release} ge $vendoreol && $info->{$_}{distro}{debian}
} @versions;
say '<dl>';
for (@{ $verrow->{new} }) {
my ($topic, $desc, $attr) = @{$_};
- if ($attr) {
- my $title;
- if (defined $attr->{experimental}) {
- $title = 'experimental';
- }
- if ($attr->{dropped}) {
- next unless exists $get{v};
- $title = sprintf 'removed in %vd', $attr->{dropped};
- }
- elsif ($attr->{stable}) {
- $title .= sprintf ' until %vd', $attr->{stable};
- }
- if ($attr->{experimental}) {
- $title = sprintf '<span title="experimental::%s">%s</span>',
- $attr->{experimental}, $title;
- $attr->{name} //= $attr->{experimental};
- }
- if ($attr->{feature}) {
- my $prefix = sprintf '<span title="%s">feature</span>',
- $attr->{feature};
- $title = join ', ', $prefix, $title // ();
- $attr->{name} //= $attr->{feature};
- }
- $desc .= sprintf ' <em class="ex">(%s)</em>', $title if $title;
- }
+ $desc .= featattrs($attr);
my $ref = defined $attr->{name} && sprintf ' id="%s"', $attr->{name};
say sprintf '<dt%s>%s<dd>%s', $ref, $topic, $desc || '<br/>';
}
+ if (my $mods = $verrow->{modules}) {
+ for (@{$mods}) {
+ my ($name, $desc, $attr) = @{$_};
+ my $ref = lc $name =~ s/::/_/gr;
+ $desc .= featattrs($attr);
+ printf '<dt id="%s"><code>use %s</code>', $ref, $name;
+ say '<dd>', $desc;
+ }
+ }
say sprintf '<dt>Unicode</dt><dd>v%s', $_ for $verrow->{unicode} || ();
say '</dl>';
say "</div>\n";
}
+sub featattrs ($attr) {
+ $attr or return '';
+ ref $attr or $attr = {eg => $attr};
+ my $title;
+ if (defined $attr->{experimental}) {
+ $title = 'experimental';
+ }
+ if (defined $attr->{dropped}) {
+ no warnings 'exiting';
+ next unless exists $get{v}; # skip containing feature
+ $title = sprintf 'removed in %vd', $_ for $attr->{dropped} || ();
+ }
+ elsif ($attr->{stable}) {
+ $title .= sprintf ' until %vd', $attr->{stable};
+ }
+ if ($attr->{experimental}) {
+ $title = sprintf '<span title="experimental::%s">%s</span>',
+ $attr->{experimental}, $title;
+ $attr->{name} //= $attr->{experimental};
+ }
+ if ($attr->{feature}) {
+ my $prefix = sprintf '<span title="%s">feature</span>',
+ $attr->{feature};
+ $title = join ', ', $prefix, $title // ();
+ $attr->{name} //= $attr->{feature};
+ }
+ $title = $title ? sprintf ' <em class="ex">(%s)</em>', $title : '';
+
+ if (my $eg = $attr->{eg}) {
+ my $pre = Entity($eg);
+ $pre =~ s<\N{ZERO WIDTH SPACE}>{</code><wbr/><code>}g;
+ $pre = " <small>{<code>$pre</code>}</small>";
+ $title = $pre . $title;
+ }
+ return $title;
+}