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iOS Object-Oriented Swift Properties Getter and Setter Methods

Posted by John Smith
John Smith
2,184 Points

Trouble with the set method

Hey I keep getting this message when I enter the code

Bummer! The setter method for fahrenheit did not assign the right value to the celsius property. (Note: Celsius = (Fahrenheit-32)/1.8)

I am supposed to create a setter so that when the user enters a value for fahrenheit it changes the value for celsius. i think? Any advice on how to fix my mistake?

Temperature.swift 
class Temperature {
    var celsius: Float = 0.0
    var fahrenheit: Float {
      get{
        return (celsius * 1.8) + 32.0
      }
    set {
    celsius = ((fahrenheit-32)/1.8)
      }
    }    
}

1 Answer

Soojin Ro
Soojin Ro
13,331 Points
Soojin Ro
Soojin Ro
13,331 Points

when you do something like temp.farenheit = 50, then the number 50 is passed into the set { } as a variable named "newValue". so replace the 'fahrenheit' with 'newValue'

set {
    celsius = ((newValue-32)/1.8)
}