<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div><br><div><div>On Jul 11, 2013, at 2:23 PM, Laurent wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: 'Lucida Grande'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; ">Then why not return lists instead of values?<span class="Apple-converted-space"> </span></span></blockquote></div><br><div><br></div><div>Error checking. See Dybvig's paper, which extensively explores multiple value implementations: </div><div><br></div><div><blockquote type="cite"><p style="color: rgb(0, 0, 0); font-family: Times; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; ">J. Michael Ashley and R. Kent Dybvig. An efficient implementation of multiple return values in Scheme. In <i>Proceedings of the 1994 ACM Conference on Lisp and Functional Programming</i>, 140-149, June 1994. Describes Chez Scheme's implementation of the Scheme multiple return values interface.</p><div><br></div></blockquote><div><br></div><div><br></div>On: <a href="http://www.cs.indiana.edu/chezscheme/pubs/">http://www.cs.indiana.edu/chezscheme/pubs/</a><br><br><br><br><br><br></div></body></html>