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<p class="MsoNormal" style="mso-margin-top-alt:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:0cm">
<span style="font-size:12.0pt">Friends<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:0cm">
<span style="font-size:12.0pt">I’ve pushed a big patch that adds –fwarn-redundant-constraints (on by default). It tells you when a constraint in a signature is unnecessary, e.g.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Courier New""> f :: Ord a => a -> a -> Bool<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Courier New""> f x y = True<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:0cm">
<span style="font-size:12.0pt">I think I have done all the necessary library updates etc, so everything should build fine.<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:0cm">
<span style="font-size:12.0pt">Four libraries which we don’t maintain have such warnings (MANY of them in transformers) so I’m ccing the maintainers:<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpFirst" style="mso-margin-top-alt:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:71.7pt;mso-add-space:auto;text-indent:-17.85pt;mso-list:l0 level2 lfo1">
<![if !supportLists]><span style="font-size:12.0pt;font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt">containers<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-margin-top-alt:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:71.7pt;mso-add-space:auto;text-indent:-17.85pt;mso-list:l0 level2 lfo1">
<![if !supportLists]><span style="font-size:12.0pt;font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt">haskeline<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="mso-margin-top-alt:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:71.7pt;mso-add-space:auto;text-indent:-17.85pt;mso-list:l0 level2 lfo1">
<![if !supportLists]><span style="font-size:12.0pt;font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt">transformers<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpLast" style="mso-margin-top-alt:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:71.7pt;mso-add-space:auto;text-indent:-17.85pt;mso-list:l0 level2 lfo1">
<![if !supportLists]><span style="font-size:12.0pt;font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:12.0pt">binary<o:p></o:p></span></p>
<p class="MsoNormalCxSpFirst" style="mso-margin-top-alt:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:0cm;mso-add-space:auto">
<span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormalCxSpMiddle" style="mso-margin-top-alt:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:0cm;mso-add-space:auto">
<span style="font-size:12.0pt">Enjoy!<o:p></o:p></span></p>
<p class="MsoNormalCxSpMiddle" style="mso-margin-top-alt:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:0cm;mso-add-space:auto">
<span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormalCxSpLast" style="mso-margin-top-alt:6.0pt;margin-right:0cm;margin-bottom:6.0pt;margin-left:0cm;mso-add-space:auto">
<span style="font-size:12.0pt">Simon<o:p></o:p></span></p>
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