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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#1F497D">Best thing to do is to produce a concrete example, showing the code you think is sub-optimal<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#1F497D">Simon<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> glasgow-haskell-users-bounces@haskell.org [mailto:glasgow-haskell-users-bounces@haskell.org]
<b>On Behalf Of </b>Sean Leather<br>
<b>Sent:</b> 14 December 2012 22:13<br>
<b>To:</b> GHC Users List; Ian Lynagh<br>
<b>Subject:</b> Re: How do we best make sure {Int,Word,Float,Double} to {Int,Word,Float,Double} conversions stay efficient<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">On Fri, Dec 14, 2012 at 10:47 PM, Ian Lynagh wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">On Fri, Dec 14, 2012 at 04:34:29PM -0500, Carter Schonwald wrote:<br>
> A related question I have is that I've some code that will map the<br>
> singleton Nats to Ints, and last time I looked into this/ had a chat on the<br>
> ghc-users list, it sounded like sometimes having Integer values constructed<br>
> in between are unavoidable. Is that still the case with post 7.6.1 ghc?<br>
> (And or, how might I be able to help?)<o:p></o:p></p>
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<p class="MsoNormal">I don't know what a singleton Nat is, but if you mean Word then that's<br>
what Johan's been working on.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I'm guessing Carter means Sing Nat:<o:p></o:p></p>
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<p class="MsoNormal"><a href="http://www.haskell.org/ghc/docs/latest/html/libraries/base-4.6.0.0/src/GHC-TypeLits.html">http://www.haskell.org/ghc/docs/latest/html/libraries/base-4.6.0.0/src/GHC-TypeLits.html</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Regards,<o:p></o:p></p>
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<p class="MsoNormal">Sean<o:p></o:p></p>
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