Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

iOS Object-Oriented Swift Complex Data Structures Custom Initializers

Tyler Dotson
PLUS
Tyler Dotson
Courses Plus Student 1,740 Points

This sections is HARD!

idk what do to

structs.swift
struct RGBColor {
  let red: Double
  let green: Double
  let blue: Double
  let alpha: Double

  let description: String

  // Add your code below
  init {
      self.red = 86.0
      self.green = 191.0
      self.blue = 131.0 
      self.alpha = 1.0

      return "red: \(red), green: \(green), blue: \(blue), alpha: \(alpha)"
  }
}

1 Answer

You are very close! The challenge is not expecting you to hardcode the values but rather it is an example of what the outcome would be if the object was initalized:

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
      self.description = "red: \(red), green: \(green), blue: \(blue), alpha: \(alpha)"
  }
}

In addition, you only created an init{} object rather than an init function.