Too Long; Didn't Read
Well, <em>no</em>. Dart has a <a href="https://webdev.dartlang.org/articles/performance/event-loop" target="_blank">single thread, or event-loop</a>, of execution. However, commonly you’ll see a code using <em>Future</em> have a comment something to the effect of <em>“// Avoid race conditions: Check for …”</em>. What does that mean?