<html><head><base href="x-msg://1631/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div><div>Here is a start: </div><div><br></div><div>(define-struct editor [text index])</div><div>;; An Editor is a structure: </div><div>;; (make-editor String Number)</div><div>;; interpretation: (make-editor t i) means that the editor currently contains the text t and that the cursor sits between the i-th and the (i+1)-st character in t.</div><div><br></div><div>Q1: Why don't you show us your data example so that we can see whether you are on the right track? </div><div>Q2: Challenge: What conditions must i satisfy for the interpretation to make sense? </div><div><br></div><div>-- Matthias</div><div><br></div><br><div><div>On Dec 20, 2014, at 11:51 PM, <<a href="mailto:austinjeffreywolfe@gmail.com">austinjeffreywolfe@gmail.com</a>> 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 dir="ltr"><div data-externalstyle="false" dir="ltr" style="font-family: Calibri, 'Segoe UI', Meiryo, 'Microsoft YaHei UI', 'Microsoft JhengHei UI', 'Malgun Gothic', sans-serif; font-size: 12pt; "><div>I am having trouble finding the solution to exercise 76 for “Fixed-Sized Data” and would like to find the code to compare mine to. Any idea where to go or if there is a list somewhere. Thanks<br></div><div data-signatureblock="true"><div><br></div><div>Austin</div><div><br></div></div></div>____________________<br> Racket Users list:<br> <a href="http://lists.racket-lang.org/users">http://lists.racket-lang.org/users</a><br></div></span></blockquote></div><br></body></html>