check if value exists in array in Ruby

Question

Hello,

If I have a value 'Dog' and an array ['Cat', 'Dog', 'Bird'] How do I check this w/o looping through. Is there a simple way of checking if the value exists, nothing more.

Answer 1

You're looking for include?:

>> ['Cat', 'Dog', 'Bird'].include? 'Dog'
=> true

Answer 2

a.include? 'Dog'

Answer 3

Try

['Cat', 'Dog', 'Bird'].include?('Dog')