<span class="arrow">&#45;&gt;</span></span> <a href="#type-elt">elt</a>)</span> <span class="arrow">&#45;&gt;</span></span> <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>map f s</code> applies function <code>f</code> to each element of set <code>s</code></p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-power"><a href="#val-power" class="anchor"></a><code><span><span class="keyw