How to add to an existing hash in Ruby

Question

In regards to adding an key => value pair to an existing populated hash in Ruby, I\'m in the process of working through Apress\' Beginning Ruby and have just fi

Answer 1

You can use double splat operator which is available since Ruby 2.0:

h = { a: 1, b: 2 }
h = { **h, c: 3 }
p h
# => {:a=>1, :b=>2, :c=>3}