pan>](<span t="k"></span><span t="k"></span><span data-unresolved-link="" t="n">code</span>: <span t="k">=&gt; </span><span t="t">U</span>)(<span t="k">using </span><span t="k"></span><span data-unresolved-link="" t="n">exec</span>: <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/Executor.html" t="t">Executor</a><span t="k"> | </span><a href="https://scala-lang.org/api/3.x/scala/concurrent/ExecutionContext.html" t="t">ExecutionContext</a>): <a href="https://scala-l