&gt;</span></span> <span>init:<span class="type-var">'b</span> <span class="arrow">&#45;&gt;</span></span> <span>f:<span>(<span><span class="type-var">'b</span> <span class="arrow">&#45;&gt;</span></span> <span><span class="type-var">'a</span> <span class="arrow">&#45;&gt;</span></span> <span class="type-var">'b</span> * <span class="type-var">'c</span>)</span> <span class="arrow">&#45;&gt;</span></span> <span class="type-var">'b</span> * <span><span class="type-var">'c</span> <a href="#type-t">t</a></span>