yFinish method
Implementation
void yFinish({bool pop = true}) {
for (var i = yPages.length - 1; i >= 0; i--) {
if (yPages[i] == yPage) {
yPages.removeAt(i);
if (pop) {
Navigator.pop(yPage.context);
yBroadcast_unregisters();
}
break;
}
}
}