Swift - Using class computed properties to return tuples

Description

Using class computed properties to return tuples

Demo

class Rectangle { 
    var width: Double = 0.0 
    var height: Double = 0.0 

    var center  : (x: Double, y: Double) { 
        return (width / 2, height / 2) 
    } /*from w w  w  .  j a  v a  2 s .  co  m*/
} 
let rect = Rectangle() 
rect.width = 3.0 
rect.height = 4.5 
print(rect.center) // (x: 1.5, y: 15)

Result

Related Topic

• Class Properties
• Class Computed properties
• Using Class Property Observers
• Class Lazy properties
• Stored Properties
• Lazy Stored Properties
• Using Computed Properties
• When to use Computed Properties
• New Value keyword in computed properties
• Read-Only Computed Properties
• Property Observers
• Typed Properties

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