dex.html#type-env">Expr.env</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <span><a href="../Event/index.html#type-t">Event.t</a> list</span></code></dt><dd><p><code>perform env a</code> performs action <code>a</code> in the context of environment <code>env</code> returning a list of resulting events.</p></dd></dl></section></section></div></body></html>