propagateChanged method
Implementation
void propagateChanged(Atom atom) {
if (atom._lowestObserverState == DerivationState.stale) {
return;
}
atom._lowestObserverState = DerivationState.stale;
for (final observer in atom._observers) {
if (observer._dependenciesState == DerivationState.upToDate) {
observer._onBecomeStale();
}
observer._dependenciesState = DerivationState.stale;
}
}