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 Collections Ruby Hashes Working with Hash Values

has_value

grocery_item = { "item" => "Bread", "quantity" => 1, "brand" => "Treehouse Bread Company" } if grocery_item.has_value?("Bread") hash = {"food" => true} end

Q: Why the above code doesn;t work?

hash.rb
grocery_item = { "item" => "Bread", "quantity" => 1, "brand" => "Treehouse Bread Company" }
if grocery_item.has_value?("Bread")
  hash =  {"food" => true}
end

1 Answer

Scott Wyngarden
PLUS
Scott Wyngarden
Courses Plus Student 16,700 Points

If you're looking to add the key/value pair of {"food" => true} to the grocery_item hash, change the bit that says

hash =  {"food" => true} 

to either

grocery_item["food"] = true

or

grocery_item = grocery_item.merge("food" => true)

or

grocery_item.merge!("food" => true)