pan class="mdzsyn-symbol">wet</span> <span class="mdzsyn-keyword">:dry</span> <span class="mdzsyn-symbol">dry</span>})

<span class="mdzsyn-comment"># Call with an argument struct</span>
(<span class="mdzsyn-symbol">make-recipe</span>
 {<span class="mdzsyn-keyword">:flour</span> <span class="mdzsyn-number">1</span>
  <span class="mdzsyn-keyword">:sugar</span> <span class="mdzsyn-number">1</span>
  <span class="mdzsyn-keyword">:baking-soda</span> <span class="mdzsyn-number">0.5</span>
  <span class="mdzsyn-k