Are the `AsyncFn***` traits incomplete?

Marking this one as resolved, because the "suggested topics" in the post editor didn't point to the awesome ones that are at the bottom of this page, please check the links at the bottom of the page if you want an answer. `AsyncFn*` are still almost unusable. Any news on improving them? - #3 by firebits.io Converting FnOnce to AsyncFnOnce - #2 by quinedot