Sets the priority by which a parent layout should apportion space to this child.
Example :
1 2 3 4 5 6 7 8 9 10 11 12 | HStack { Text("This is a moderately long string.") .font(.largeTitle) .border(Color.gray) Spacer() Text("This is a higher priority string.") .font(.largeTitle) .layoutPriority(1) .border(Color.gray)} |