'Re: [Haskell-beginners] Import errors from a very simple program'

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List:       haskell-beginners
Subject:    Re: [Haskell-beginners] Import errors from a very simple program
From:       John Sturdy <jcg.sturdy () gmail ! com>
Date:       2019-09-26 14:26:22
Message-ID: CAFJf9KPvYdNgK0bBd2UKbBkDHjdkbusk9oGN+t=JkatCtmzhgA () mail ! gmail ! com
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On Thu, Sep 26, 2019 at 3:18 PM Daniel Trstenjak <daniel.trstenjak@gmail.com>
wrote:

> Hi John,
>
> 'ghc' won't automatically use the packages you've installed with 'cabal
> install',
> but you've to add them to the 'ghc' call.
>

Thanks, that'll be the key to what's going on.  I had assumed that
installed packages would be automatically available for "import", as they
are in Python.  (The program I'm writing has the same functionality as a
Python program I had written earlier, which probably biased me to thinking
that way.)

__John

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<div dir="ltr"><div dir="ltr">On Thu, Sep 26, 2019 at 3:18 PM Daniel Trstenjak &lt;<a \
href="mailto:daniel.trstenjak@gmail.com">daniel.trstenjak@gmail.com</a>&gt; \
wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" \
style="margin:0px 0px 0px 0.8ex;border-left:1px solid \
rgb(204,204,204);padding-left:1ex">Hi John,<br> <br>
&#39;ghc&#39; won&#39;t automatically use the packages you&#39;ve installed with \
&#39;cabal install&#39;,<br> but you&#39;ve to add them to the &#39;ghc&#39; \
call.<br></blockquote><div><br></div><div>Thanks, that&#39;ll be the key to \
what&#39;s going on.   I had assumed that installed packages would be automatically \
available for &quot;import&quot;, as they are in Python.   (The program I&#39;m \
writing has the same functionality as a Python program I had written earlier, which \
probably biased me to thinking that \
way.)</div><div><br></div><div>__John</div><div><br></div></div></div>

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