swift（四）swift的广义匹配

//swift的广义匹配
let x = 1000
switch x {
case 1...9:
println("个位数")
case 1...9:
println("十位数")
default:
println("其他")

}

let point = (10,10)
switch point
{
case (0,0):
println("0坐标")
case (1...10,1...10):
println("x y一到十")
case (_,0):
println("x轴")
default:
println("其他")
}

// Value Bindings
switch point
{

case (let x, 10):
println(x)
case let( x,  y) where x == -y:
println("\(x):\(y)")
default:
println("其他")
}