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Start your free trialSebastian Sigurðarson
1,274 PointsI really don't understand what I'm supposed to do here, mostly because I don't know what to do with the 'description'
This is what I'm supposed to do.
In the editor, I’ve declared a struct named RGBColor that models a color object in the RGB space.
Your task is to write a custom initializer method for the object. Using the initializer assign values to the first four properties. Using the values assigned to those properties create a value for the description property that is a string representation of the color object.
For example, given the values 86.0 for red, 191.0 for green, 131.0 for blue and 1.0 for alpha, each of the stored properties should hold these values and the description property should look like this:
"red: 86.0, green: 191.0, blue: 131.0, alpha: 1.0"
struct RGBColor {
let red: Double
let green: Double
let blue: Double
let alpha: Double
let description: String
// Add your code below
}
1 Answer
David Papandrew
8,386 PointsSee code below, but the gist of what you need to do is create an initializer method that takes arguments for red, green, blue and alpha. Init method will set the struct properties of the same name with the values provided by the init method. Description will also be set based on arguments sent to initializer.
Hope that helps.
struct RGBColor {
let red: Double
let green: Double
let blue: Double
let alpha: Double
let description: String
// Add your code below
init(red: Double, green: Double, blue: Double, alpha: Double) {
self.red = red
self.green = green
self.blue = blue
self.alpha = alpha
description = "red: \(red), green: \(green), blue: \(blue), alpha: \(alpha)"
}
}
Sebastian Sigurðarson
1,274 PointsSebastian Sigurðarson
1,274 PointsAhhhhhh yes of course, Thank you. Much appreciated :)