rd">val</span> typedef : <span><span class="type-var">'a</span> <a href="index.html#type-typ">typ</a></span> <span>&#45;&gt;</span> string <span>&#45;&gt;</span> <span><span class="type-var">'a</span> <a href="index.html#type-typ">typ</a></span></code></dt><dt class="spec value" id="val-abstract"><a href="#val-abstract" class="anchor"></a><code><span class="keyword">val</span> abstract : <span>name:string</span> <span>&#45;&gt;</span> <span>size:int</span> <span>&#45;&gt;</span> <span>alignment:int</span> <