label" class="anchor"></a><code><span><span class="keyword">val</span> map_label : <span><span>(<span><a href="#type-label">label</a> <span class="arrow">&#45;&gt;</span></span> <a href="#type-label">label</a>)</span> <span class="arrow">&#45;&gt;</span></span> <span><a href="#type-t">t</a> <span class="arrow">&#45;&gt;</span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>map_label f s</code> returns the LTSA obtained by replacing each transition label <code>l</code> by <c