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Luigi Santos
13,200 Pointsdoes anybody have the working code to this quiz? I've tried everything, and also using fahrenheit = newValue
what else do you need to add to the setter method?
class Temperature {
var celsius: Float = 0.0
var fahrenheit : Float {
get {
return (celsius * 1.8) + 32
}
set {
fahrenheit = newValue
celsius = (fahrenheit - 32) / 1.8
}
}
}
1 Answer
Brendan Whiting
Front End Web Development Techdegree Graduate 84,738 PointsI don't know the proper terms to explain it, but in your setter method, when you try and set 'fahrenheit' with 'newValue' it gets confused because it thinks your referring to the fahrenheit property, not some temporary variable, but the fahrenheit property is the computed property that you're in the process of defining the setter method on. So it gets weird.
I fixed it by just removing that line of code and using newValue in the place of fahrenheit on the next line:
class Temperature {
var celsius: Float = 0.0
var fahrenheit : Float {
get {
return (celsius * 1.8) + 32
}
set {
celsius = (newValue - 32) / 1.8
}
}
}
Luigi Santos
13,200 PointsLuigi Santos
13,200 Pointsthat makes so much sense. thank you Brendan!
Brendan Whiting
Front End Web Development Techdegree Graduate 84,738 PointsBrendan Whiting
Front End Web Development Techdegree Graduate 84,738 PointsJust out of curiosity, I put your code into an Xcode playground. It didn't give an error it just gave a warning - but the warning said "Attempting to modify fahrenheit with its own setter".
Luigi Santos
13,200 PointsLuigi Santos
13,200 Pointsyeah, that's what I did as well. that's why it didn't make sense to me and I wasn't sure where I went wrong.