I don&#39;t think GHCi allows function and type definitions in interactive mode.<br><br>You have to write the functions in a source file and then load it. You can then call the functions as usual.<br><br clear="all">Homero Cardoso de Almeida<br>

<br><br><div class="gmail_quote">On Thu, May 31, 2012 at 4:48 PM, Stan Kulp <span dir="ltr">&lt;<a href="mailto:stan_kulp@yahoo.com" target="_blank">stan_kulp@yahoo.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div style="font-size:10pt;font-family:arial,helvetica,sans-serif"><div><span>I have been working my way through &quot;Learn You a Haskell for Greater Good&quot; and am stumped when I get to the &quot;Syntax in Functions - Pattern Matching&quot; section.</span></div>
<div><br></div><div>The book shows the following expression...</div><div><br></div><div>ghci&gt; lucky<span> :: </span>(<span>Integral</span> a)<span> =&gt; </span>a<span> -&gt; </span><span><u></u>String</span>  </div><div>
<br></div><div>...but when I try to execute it in GHCi I get the following error...</div><div><br></div><div>&lt;interactive&gt;:1:1: Not in scope: `lucky&#39;</div><div><br></div><div>What am I missing? <br></div><div> </div>
<div>Stan Kulp<br>4421 W North Pinebrook Lane<br>Columbia, MO 65203<br><br></div><div>Home: <a href="tel:573-234-2065" value="+15732342065" target="_blank">573-234-2065</a><br>Work: <a href="tel:573-522-5075" value="+15735225075" target="_blank">573-522-5075</a><br>
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