functor

Chen Yu chenyu888@hotmail.com
Mon, 29 Oct 2001 14:59:54 +0000 

<html><div style='background-color:'><DIV>hi,</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;i am not sure whether this is the right place.</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;i have a question about the instance of Functor, the following segmantation couldn't </DIV>
<DIV>be compiled by ghc, any clue?</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; instance Functor (A-&gt;) where </DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; map f g = f . g</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TIA!</DIV></div><br clear=all><hr>Get your FREE download of MSN Explorer at <a href='http://go.msn.com/bql/hmtag_itl_EN.asp'>http://explorer.msn.com</a><br></html>