An alternative is to write something like<div><br></div><div>f p with p</div><div>... | prep2 x y xs x<=y ord-y-xs = prep2 0 x (y :: xs) z<=n p</div><div><br></div><div>but for more complicated things, Agda's going to forget that p = prep2 ..., so you might need to jump through some hoops to get it to notice that again.</div>
<div><br></div><div>Hope this helps,</div><div>Dan<br><br><div class="gmail_quote">On Fri, Oct 5, 2012 at 1:38 PM, Serge D. Mechveliani <span dir="ltr"><<a href="mailto:mechvel@botik.ru" target="_blank">mechvel@botik.ru</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">It is better to write<br>
<br>
f p@(prep2 x y xs x<=y ord-y-xs) = prep2 0 x (y :: xs) z<=n p<br>
<br>
than<br>
<br>
f (prep2 x y xs x<=y ord-y-xs) = prep2 0 x (y :: xs) z<=n<br>
(prep2 x y xs x<=y ord-y-xs)<br>
<br>
But Agda-2.3.0.1 reports "no @-patterns".<br>
<br>
Regards,<br>
<br>
------<br>
Sergei<br>
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</blockquote></div><br></div>