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  <author_name>winebarrel</author_name>
  <author_url>https://blog.hatena.ne.jp/winebarrel/</author_url>
  <blog_title>so what</blog_title>
  <blog_url>https://so-wh.at/</blog_url>
  <categories>
    <anon>PERL</anon>
  </categories>
  <description>デストラクタがあることに少しびっくりした。 参照カウンタの成せる技かな。 #!/usr/bin/env perl use warnings; use strict; use Carp; package Foo; sub new { my ($class, $x) = @_; print &quot;Foo::new($x)&quot; . &quot;\n&quot;; bless { x =&gt; $x }, $class; } sub func { my $self = shift; print &quot;Foo($self-&gt;{x})-&gt;func()\n&quot;; } sub DESTROY { my $self = shift; print …</description>
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  <image_url></image_url>
  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2009-05-01 00:00:01</published>
  <title> デストラクタ</title>
  <type>rich</type>
  <url>https://so-wh.at/entry/20090501/p2</url>
  <version>1.0</version>
  <width>100%</width>
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