<html><head><base href="x-msg://3016/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Aug 15, 2011, at 3:10 PM, Racket Noob 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; "><div class="hmmessage" style="font-size: 10pt; font-family: Tahoma; "><div dir="ltr"><font class="Apple-style-span" face="Tahoma" size="2">I don't understand this exercise:</font><div style="font-family: Tahoma; font-size: 10pt; "><br></div><div><div><font class="Apple-style-span" face="Tahoma" size="2">Exercise 32.3.2.   Develop a function that, given a board and the board position of a peg, determines whether or not the peg can jump. We call such a peg enabled.</font></div><div><span class="Apple-style-span" style="font-family: Tahoma; font-size: 10pt; ">Develop a function that, given a board and the board position of an enabled peg, creates a board that represents the next configuration.</span></div></div><div><font class="Apple-style-span" face="Tahoma" size="2"><br></font></div><div><font class="Apple-style-span" face="Tahoma" size="2">But, it may be the case that an enabled peg can jump to more than one of free places. Thus, we can have more then one new configurations, no?</font></div></div></div></span></blockquote><br></div><div>Good catch. Now design a function that returns a list of next configurations for an 'enabled' peg. Alternatively, design a function that picks one of the feasible successor configurations. </div></body></html>