If you’re mapping for side effects you deserve a good rap on the head. The main value of “map” is to denote a 1:1 data transformation. Plus this gets very frau

If you’re mapping for side effects you deserve a good rap on the head. The main value of “map” is to denote a 1:1 data transformation. Plus this gets very fraught with many langages mapping lazily, and some not guaranteeing the order of operation.