单表达式隐式返回值
oldbirds 12/5/2021 swiftiosswiftui
# 单表达式隐式返回值
// before swift 5.0
struct Rectangle {
var width = 0.0, height = 0.0
var area1: Double {
return width * height
}
func area2() -> Double {
return width * height
}
}
// after switft 5.1
struct Rectangle {
var width = 0.0, height = 0.0
var area1: Double { width * height }
func area2() -> Double { width * height }
}