Make "set" and "change" hyperizable – Snap! Feature Requests – Snap! Forum https://forum.snap.berkeley.edu/t/make-set-and-change-hyperizable/5917
set (list [1] [2] [3] :: list) to (5) change (list [1] [2] [3] :: list) by [5]
It can be used in locations that receive data (such as the left-hand side of an assignment