Yeah, the unsigned is to demonstrate how &quot;-10&quot; is being interpreted as a number before being cast to an unsigned.<div><br></div><div>My question is: Why isn&#39;t this just a read/parse error? &quot;-10&quot; isn&#39;t a valid representation for any value of the CUInt type.<span></span><br>
<br>On Monday, December 2, 2013,   wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Mon, Dec 02, 2013 at 11:38:33AM +1300, <a href="javascript:;" onclick="_e(event, &#39;cvml&#39;, &#39;ml@extensibl.com&#39;)">ml@extensibl.com</a> wrote:<br>

&gt; On Mon, Dec 02, 2013 at 11:30:50AM +1300, Patrick Redmond wrote:<br>
&gt; &gt; Prelude&gt; import Foreign.C.Types<br>
&gt; &gt; Prelude Foreign.C.Types&gt; read &quot;-10&quot; :: CUInt<br>
&gt; &gt; 4294967286<br>
&gt; &gt; Prelude Foreign.C.Types&gt; read &quot;300&quot; :: CChar<br>
&gt; &gt; 44<br>
&gt; &gt;<br>
&gt;<br>
&gt; CUInt? I would try CInt instead.<br>
&gt;<br>
<br>
Whoops, that is not related to the original question, sorry.<br>
<br>
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