Machine.changed: def of bendvy-ecs-core@0.1.0.4
Import: import bendvy-ecs-core@0.1.0.4/machine.bend as Machine
Lines 174-177 of bendvy-ecs-core@0.1.0.4/machine.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.4/machine.bend&start_line=174&end_line=177

import Base

def changed(~S: Data,~M: Data,~V: Data,slot: Slot<S,M,V>) -> Bool:
  match slot:
    case Missing{}: False{}
    case Present{_,_,_,flag}: flag

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.4/machine.bend&name=Slot