> <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span> bool</span></code></div><div class="spec-doc"><p>It checks if a variable or a field name in the location path satisfies <code>f</code>.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-get_literal_string"><a href="#val-get_literal_string" class="anchor"></a><code><span><span class="keyword">val</span> get_literal_string : <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span> <span>st