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  <author_name>faith_and_brave</author_name>
  <author_url>https://blog.hatena.ne.jp/faith_and_brave/</author_url>
  <blog_title>Faith and Brave - C++で遊ぼう</blog_title>
  <blog_url>https://faithandbrave.hateblo.jp/</blog_url>
  <categories>
    <anon>C++</anon>
  </categories>
  <description>本の虫 - C++0x: Post Santa Cruz mailingの簡易レビューN2984 Additional Type Traits for C++0x (Revision 1) is_constructibleはこんな感じになってるので template &lt;class T, class... Args&gt; struct is_constructible; is_constructible::valueみたいにArgsを空にすればDefaultConstructibleかどうかの判定に使えそう。 is_assignableもほしいです・・・</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2009-11-12 17:42:23</published>
  <title> std::is_constructible</title>
  <type>rich</type>
  <url>https://faithandbrave.hateblo.jp/entry/20091112/1258015343</url>
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