あれ？ scalaの型クラスを取るメソッドって、値にして高階関数に渡せなくね？　と思っていたところだったので。しかしややこしすぎて、仕組みが理解できない……

zyzy のブックマーク 2012/06/21 14:28

<blockquote class="hatena-bookmark-comment"><a class="comment-info" href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/entry/73764633/comment/zyzy" data-user-id="zyzy" data-entry-url="https://b.hatena.ne.jp/entry/s/leque.hatenablog.com/entry/20111226/p1" data-original-href="https://leque.hatenablog.com/entry/20111226/p1" data-entry-favicon="https://cdn-ak2.favicon.st-hatena.com/64?url=https%3A%2F%2Fleque.hatenablog.com%2Fentry%2F20111226%2Fp1" data-user-icon="/users/zyzy/profile.png">scalaz.Forall を読む - 月の塵</a><ul class="comment-tag" style="list-style: none; margin: 0px;"><li style="float: left">[<a href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/q/scala">scala</a>]</li><li style="float: left">[<a href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/q/scalaz">scalaz</a>]</li><li style="float: left">[<a href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/q/%25E5%258B%2589%25E5%25BC%25B7">勉強</a>]</li></ul><br><div class="tategaki" style="margin-top:10px;width:100%;">
<br style="display:none" /><span class="tktr-gyo" style="height:640px;margin:0 19px 180px 22px;font-size:19px;_width:19px;/width:19px;"><span class="char"">あ</span><span class="char"">れ</span><span class="char"">？</span><span class="latin" style="display:block;width:19px;height:19px;"> </span><span class="latin" style="width:19px;height:19px;">s</span><span class="latin" style="width:19px;height:19px;">c</span><span class="latin" style="width:19px;height:19px;">a</span><span class="latin" style="width:19px;height:19px;">l</span><span class="latin" style="width:19px;height:19px;">a</span><span class="char"">の</span><span class="char"">型</span><span class="char"">ク</span><span class="char"">ラ</span><span class="char"">ス</span><span class="char"">を</span><span class="char"">取</span><span class="char"">る</span><span class="char"">メ</span><span class="char"">ソ</span><span class="kogaki">ッ</span><span class="char"">ド</span><span class="kogaki">っ</span><span class="char"">て</span><span class="tou-ten">、</span><span class="char"">値</span><span class="char"">に</span><span class="char"">し</span><span class="char"">て</span><span class="char"">高</span><span class="char"">階</span><span class="char"">関</span><span class="char"">数</span></span><span class="tktr-gyo" style="height:640px;margin:0 0 180px 22px;font-size:19px;_width:19px;/width:19px;"><span class="char"">に</span><span class="char"">渡</span><span class="char"">せ</span><span class="char"">な</span><span class="char"">く</span><span class="char"">ね</span><span class="char"">？</span><span class="char"">　</span><span class="char"">と</span><span class="char"">思</span><span class="kogaki">っ</span><span class="char"">て</span><span class="char"">い</span><span class="char"">た</span><span class="char"">と</span><span class="char"">こ</span><span class="char"">ろ</span><span class="char"">だ</span><span class="kogaki">っ</span><span class="char"">た</span><span class="char"">の</span><span class="char"">で</span><span class="ku-ten">。</span><span class="char"">し</span><span class="char"">か</span><span class="char"">し</span><span class="char"">や</span><span class="char"">や</span><span class="char"">こ</span><span class="char"">し</span><span class="char"">す</span><span class="char"">ぎ</span></span><span class="tktr-gyo" style="height:640px;margin:0 0 180px 22px;font-size:19px;_width:19px;/width:19px;"><span class="char"">て</span><span class="tou-ten">、</span><span class="char"">仕</span><span class="char"">組</span><span class="char"">み</span><span class="char"">が</span><span class="char"">理</span><span class="char"">解</span><span class="char"">で</span><span class="char"">き</span><span class="char"">な</span><span class="char"">い</span><span class="cho-on" style="width:19px;height:19px;">…</span><span class="cho-on" style="width:19px;height:19px;">…</span><br style="display:none" /></span>
<span style="display:block;clear:right"></span></div><a class="datetime" href="https://akarinohon.com/text/taketori.cgi/https://b.hatena.ne.jp/zyzy/20120621#bookmark-73764633"><span class="datetime-body">2012/06/21 14:28</span></a></blockquote><script src="https://b.st-hatena.com/js/comment-widget.js" charset="utf-8" async></script>

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