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iOS

custom initializer challenge..what does this challenge want i failed to figure it out

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"

1 Answer

Hi there,

For this, you need to write an init method that accepts four parameters, one for each of red, green, blue and alpha. Inside the method, set the stored properties of the struct to the values that have been passed in - don't hard-code the numbers; those are user-defined. There is one more stored property, description. This isn't passed in as an argument as it is made of of the other arguments. Create description using string interpolation with the other stored properties, "red: \(red), green: \(green) ... - you get the idea.

Let me know how you get on.

Steve.

thank you so much i passed the challenge

Good work! :+1: