<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> <title></title> </head> <body bgcolor="#ffffff" text="#000000"> Jos Koot wrote at 07/18/2010 09:26 AM: <blockquote cite="mid:04AD96DBB28646C7819414ACAF25F51D@JacobPC" type="cite"> <meta content="text/html; charset=us-ascii" http-equiv="Content-Type"> <meta name="GENERATOR" content="MSHTML 8.00.7600.16588"> <div><font face="Courier New" size="2"><span class="132071113-18072010">(hash-ref a-hash a-key a-value)</span></font></div> <div><font face="Courier New" size="2"><span class="132071113-18072010">In the past a-value was required to be a procedure.</span></font></div> <div><font face="Courier New" size="2"><span class="132071113-18072010">Now it can be anything.</span></font></div> </blockquote> [...]<br> <blockquote cite="mid:04AD96DBB28646C7819414ACAF25F51D@JacobPC" type="cite"> <div><font face="Courier New" size="2"><span class="132071113-18072010"><span class="132071113-18072010"></span></span></font> </div> <div><font face="Courier New" size="2"><span class="132071113-18072010"><span class="132071113-18072010">In short, I do not well understand the reason to relax the contract of hash-ref and hash-ref!.</span></span></font></div> </blockquote> <br> This behavior seems a little on the uncomfortable side of automagical to me, and -- although I can understand the desire to keep the short name -- I would've preferred separate procedures for the default-thunk and default-value variations.<br> <br> Perhaps the short-name procedure could be the automagical one, and there could be longer-name procedures, like "hash-ref/default-thunk" and "hash-ref/default-value", for people who prefer a little less automagic in that regard.<br> <br> <div class="moz-signature">-- <br> <a class="moz-txt-link-freetext" href="http://www.neilvandyke.org/">http://www.neilvandyke.org/</a> </div> </body> </html>