positioning a view inside a given frame with .position() and .offset()

PositionExamples.swift

ZStack {
    Rectangle()
        .fill(Color.green)
        .position(x: 100, y: 100)
        .frame(width: size, height: size)
        .border(Color.green)
    
    Rectangle()
        .fill(Color.red)
        .offset(CGSize(width: 100, height: 100))
        .frame(width: size, height: size)
        .border(Color.red)
    
}.frame(width: 150, height: 150, alignment: .topLeading)
    .border(Color.gray)