fun with struct

struct.rb

Contact = Struct.new(:first, :last, :email)

p Contact.new(*%w[James Gray james@grayproductions.net])
# >> #<struct Contact first="James",
#                     last="Gray",
#                     email="james@grayproductions.net">
p Contact.new(*%w[James Gray])
# >> #<struct Contact first="James", last="Gray", email=nil>
p Contact.new("James")
# >> #<struct Contact first="James", last=nil, email=nil>
p Contact.new
# >> #<struct Contact first=nil, last=nil, email=nil>