Deli Counter

gistfile1.rb

def take_a_number(katz, name)
  katz << name
  return katz.size
end

def line(katz)
  print "The line is currently:"
  katz.each_with_index do |name, i|
    print " #{i + 1}. #{name}"
  end
  puts
end

def now_serving(katz)
  puts "Currently serving #{katz[0]}"
  katz.shift
end

katz_deli = []

puts take_a_number(katz_deli, "Ada") #=> "1"
puts take_a_number(katz_deli, "Grace") #=> "2"
puts take_a_number(katz_deli, "Kent") #=> "3"

line(katz_deli) #=> "The line is currently: 1. Ada 2. Grace 3. Kent"

now_serving(katz_deli) #=> "Currently serving Ada"

line(katz_deli) #=> "The line is currently: 1. Grace 2. Kent"

p take_a_number(katz_deli, "Matz") #=> "3"

line(katz_deli) #=> "The line is currently: 1. Grace 2. Kent 3. Matz"

now_serving(katz_deli) #=> "Currently serving Grace"

line(katz_deli) #=> "1. Kent 2. Matz"