nverts a string to an integer</p></div></div><div class="odoc-spec"><div class="spec value" id="val-double_from_string" class="anchored"><a href="#val-double_from_string" class="anchor"></a><code><span><span class="keyword">val</span> double_from_string : <span><span><a href="../Parser/index.html#type-parameters">Parser.parameters</a> list</span> <span class="arrow">&#45;&gt;</span></span> <a href="../Parser/index.html#type-parameters">Parser.parameters</a></span></code></div><div class="spec-doc"><p>Conver