<div dir="ltr"><div style class="markdown-here-wrapper" id="markdown-here-wrapper-988241"><p style="margin:1.2em 0px!important">Also, grepping hackage is all well and good but that‘s ignoring all the code that’s either not released yet or is closed source. That's probably the case with a lot of <em>application</em> code, with hackage having mostly libraries. Just a thought.</p>
</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Aug 13, 2013 at 10:39 PM, Edward Kmett <span dir="ltr"><<a href="mailto:ekmett@gmail.com" target="_blank">ekmett@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Did you consider the transitive dependency from errors?<div><br></div><div>Errors re-exports Control.Monad.Trans.Either from Control.Error.</div>
<div><br></div><div>In particular I noted that snap then depends on errors.</div>
<div><br></div><div>I didn't grep through the source though.</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>-Edward<br></div></font></span></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra">
<br><br><div class="gmail_quote">On Tue, Aug 13, 2013 at 1:25 PM, Ross Paterson <span dir="ltr"><<a href="mailto:R.Paterson@city.ac.uk" target="_blank">R.Paterson@city.ac.uk</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>On Tue, Aug 13, 2013 at 10:30:23AM -0400, Edward Kmett wrote:<br>
> An argument against just randomly bikeshedding the name it is there<br>
> are a lot of packages out there currently transitively depending on<br>
> the existing either package, due to the popularity of Tekmo's errors<br>
> package and the fact that it has been picked up by snap. So half of<br>
> the web-apps in the ecosystem depend on this type transitively.<br>
<br>
</div>Fortunately it seems that EitherT is only used by the following packages:<br>
<br>
citation-resolve coroutine-object CSPM-Frontend errors<br>
happstack-heist hoodle-core hoodle-parser katt pdf-toolbox-core<br>
pianola restricted-workers terminfo-hs<br>
<br>
Moreover adding a new module and type means people can switch over an<br>
extended timescale. Thus I think internal consistency within transformers<br>
outweighs compatibility with the existing EitherT in this case.<br>
<div><div><br>
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