I'm not sure if there's a particular name for it, but you could consider it to be a special case of a tail call optimisation https://en.wikipedia.org/wiki/Tail_

I'm not sure if there's a particular name for it, but you could consider it to be a special case of a tail call optimisation https://en.wikipedia.org/wiki/Tail_call https://en.wikipedia.org/wiki/Tail_call