Asynchronously invokes F and ignores any further actions from the spawn.
Asynchronously invokes F and awaits its return value.
Spins up a group to iterate from start to end with increments of step.
Spins up a group to iterate across all elements in range on.
Spins up a group to call F while W.
Spins up a group of WORKERS to run F on the given args.
Multi-threaded easy arbitrary function invocation and iterating.