<div dir="auto">I'm +1 on offering the warning and very very -1 on including it in -Wall.</div><div class="gmail_extra"><br><div class="gmail_quote">On Mar 18, 2017 6:19 PM, "Henning Thielemann" <<a href="mailto:lemming@henning-thielemann.de">lemming@henning-thielemann.de</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
On Sat, 18 Mar 2017, Lana Black wrote:<br>
<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
On 18/03/17 19:49, Henning Thielemann wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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On Sat, 18 Mar 2017, Carter Schonwald wrote:<br>
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<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
for what?<br>
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A warning if someone e.g. calls 'length (a,b)', or more generally, if<br>
certain instances are used.<br>
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Please no. Many of us like our code Wall-clean while still being able to<br>
write polymorphic functions.<br>
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Whether the warning is enabled by Wall is a different question.<br>
Though I think it should.<br>
<br>
<a href="https://ghc.haskell.org/trac/ghc/ticket/11796" rel="noreferrer" target="_blank">https://ghc.haskell.org/trac/g<wbr>hc/ticket/11796</a><br>
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