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

Ruby Ruby Booleans Build a Simple Todo List Program Returning Boolean Values: Part 2

alison yun
alison yun
4,620 Points

trying to return a boolean value in the "contains?" method

I am not sure why it says "contains?" method is not returning a boolean value in the following I wrote:

def contains?(name) if todo_items.include?(name) == true return true else return false end end

todo_list.rb
class TodoList
  attr_reader :name, :todo_items

  def initialize(name)
    @name = name
    @todo_items = []
  end

  def add_item(name)
    todo_items.push(TodoItem.new(name))
  end

  def contains?(name)
    if todo_items.include?(name) == true
      return true
    else
      return false
    end
  end

  def find_index(name)
    index = 0
    found = false
        todo_items.each do |item|
      found = true if item.name == name
      break if found
      index += 1
    end
    if found
      return index
    else
      return nil
    end
  end
end

1 Answer

Jeff Jacobson-Swartfager
Jeff Jacobson-Swartfager
15,419 Points

You've almost got it! You just need to make sure that you are iterating over each of the items inside of todo_items.

Once you're doing that, you can compare the name value of the item with the name argument that is passed to the .contains? method.