chop_prefix : <span><span class="label">pre</span>:string <span class="arrow">&#45;&gt;</span></span> <span>string <span class="arrow">&#45;&gt;</span></span> <span>string option</span></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-chop_suffix"><a href="#val-chop_suffix" class="anchor"></a><code><span><span class="keyword">val</span> chop_suffix : <span><span class="label">suf</span>:string <span class="arrow">&#45;&gt;</span></span> <span>string <span class="arrow