gistfile1.rb

# Cool shit about Ruby 

# Arrays 
array1, array2 = %w{ x y z }, %w{ w y z }

array1 | array2 ###(Union)      #=> ["x", "y", "z", "w"] 
array1 & array2 ###(Intersect)  #=> ["y", "z"]
array1 - array2 ###(Difference) #=> ["x"]

# Strings
str = %{I'd like to invite you to the pants party}
str['to the pants'] = %{80's}

# Chicks love 80's parties.
str #=> "I'd like to invite you 80's party"