screwlisp<p><a href="https://gamerplus.org/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>programming</span></a> <a href="https://gamerplus.org/tags/objectOriented" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>objectOriented</span></a> <a href="https://gamerplus.org/tags/commonLisp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>commonLisp</span></a> <a href="https://gamerplus.org/tags/engineering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>engineering</span></a> <a href="https://gamerplus.org/tags/ChineseChess" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ChineseChess</span></a> <a href="https://screwlisp.small-web.org/common-lisp-interface-manager/chinese-chess-part-i-just-a-board/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">screwlisp.small-web.org/common</span><span class="invisible">-lisp-interface-manager/chinese-chess-part-i-just-a-board/</span></a></p><p>This is extracted from my rejected experience report for <a href="https://gamerplus.org/tags/ELS2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ELS2025</span></a> about a GUI chess app for a library club. I gradually build up from this part I mixins that result in substantively differently behaviours depending on where and what they get mixed into. </p><p><a href="https://gamerplus.org/tags/emacs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>emacs</span></a> <a href="https://gamerplus.org/tags/eev" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>eev</span></a> of course.</p><p>I am still alive!</p>