<div dir="ltr">plugins probably needs to be patched[1]. I'll happily apply such a patch.<div><br></div><div>- jeremy</div><div>[1] or rewritten from the ground up</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On Mon, Sep 16, 2013 at 2:49 AM, Petr Pudlák <span dir="ltr"><<a href="mailto:petr.mvd@gmail.com" target="_blank">petr.mvd@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p style="margin:1.2em 0px!important">Hi,</p>
<p style="margin:1.2em 0px!important">I'm playing with
“plugins”, trying to evaluate a simple expression:</p>
<pre style="font-size:0.85em;font-family:Consolas,Inconsolata,Courier,monospace;font-size:1em;line-height:1.2em;overflow:auto;margin:1.2em 0px"><code style="font-size:0.85em;font-family:Consolas,Inconsolata,Courier,monospace;margin:0px 0.15em;padding:0px 0.3em;white-space:nowrap;border:1px solid rgb(234,234,234);background-color:rgb(248,248,248);border-radius:3px 3px 3px 3px;display:inline;white-space:pre-wrap;border-radius:3px 3px 3px 3px;border:1px solid rgb(204,204,204);padding:0.5em 0.7em;display:block;padding:0.5em;color:rgb(51,51,51);background:none repeat scroll 0% 0% rgb(248,248,255)"><span><span style="color:rgb(51,51,51);font-weight:bold">import</span> Control.Monad</span>
<span><span style="color:rgb(51,51,51);font-weight:bold">import</span> System.Eval.Haskell</span>
<span style="color:rgb(153,0,0);font-weight:bold">main</span> = <span style="color:rgb(51,51,51);font-weight:bold">do</span>
<span style="color:rgb(51,51,51);font-weight:bold">let</span> fExpr = <span style="color:rgb(221,17,68)">"1 + 2 :: Int"</span>
r <- eval_ fExpr [<span style="color:rgb(221,17,68)">"Prelude"</span>] [] [] []
:: <span>IO</span> (<span>Either</span> [<span>String</span>] (<span>Maybe</span> <span>Int</span>))
<span style="color:rgb(51,51,51);font-weight:bold">case</span> r <span style="color:rgb(51,51,51);font-weight:bold">of</span>
<span>Right</span> (<span>Just</span> f) -> <span style="color:rgb(51,51,51);font-weight:bold">do</span>
print $ f
<span>Left</span> err -> putStrLn $ <span style="color:rgb(221,17,68)">"Error: "</span> ++ unlines err
_ -> putStrLn $ <span style="color:rgb(221,17,68)">"Unknown error."</span></code></pre>
<p style="margin:1.2em 0px!important">However, it fails with</p>
<pre style="font-size:0.85em;font-family:Consolas,Inconsolata,Courier,monospace;font-size:1em;line-height:1.2em;overflow:auto;margin:1.2em 0px"><code style="font-size:0.85em;font-family:Consolas,Inconsolata,Courier,monospace;margin:0px 0.15em;padding:0px 0.3em;white-space:nowrap;border:1px solid rgb(234,234,234);background-color:rgb(248,248,248);border-radius:3px 3px 3px 3px;display:inline;white-space:pre-wrap;border-radius:3px 3px 3px 3px;border:1px solid rgb(204,204,204);padding:0.5em 0.7em;display:block;padding:0.5em;color:rgb(51,51,51);background:none repeat scroll 0% 0% rgb(248,248,255)">Error:
on the commandline: Warning:
-fglasgow-exts is deprecated: Use individual extensions instead</code></pre>
<p style="margin:1.2em 0px!important">Am I doing something
wrong? How can I turn off the flag?</p>
<p style="margin:1.2em 0px!important">I'm using GHC 7.6.3.</p>
<p style="margin:1.2em 0px!important"> Thanks,<br>
Petr</p>
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<br></blockquote></div><br></div>