So, I've been thinking about this, and the reality is that I'm not as familiar with C# and Rx as I should be to pass judgment. How common is it to use "await"

So, I've been thinking about this, and the reality is that I'm not as familiar with C# and Rx as I should be to pass judgment. How common is it to use "await" in conjunction with Rx? Your answer will provide needed insight. I've mainly wrestled with the FRP paradigm in the context of JavaScript, both server-side and in browsers. So I should have qualified my previous observation accordingly.