<div dir="ltr">What's the purpose to a<span style="color:rgb(0,0,0);font-family:Verdana,Arial,"Bitstream Vera Sans",Helvetica,sans-serif;font-size:13px">llow data declarations with no constructors?</span></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Aug 12, 2016 at 11:08 AM, Sergey N. Yashin <span dir="ltr"><<a href="mailto:yashin.sergey@gmail.com" target="_blank">yashin.sergey@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">For zero data constructors you need to use only <a href="https://prime.haskell.org/wiki/EmptyDataDecls" target="_blank">EmptyDataDecls</a> extension.<br></div><br>______________________________<wbr>_________________<br>
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