let blackView: UIView = {
let view = UIView()
view.backgroundColor = .black
return view
}()
let redView: UIView = {
let view = UIView()
view.backgroundColor = .red
return view
}()
这个代码,看着像closure但后面还有个小括号,把小括号去了就报错了,小括号的意思是什么?
去了小括号后报错:
Cannot convert value of type '() -> _' to specified type 'UIView'