rubyでfizzbuzz

fizzbuzz.rb

# coding: utf-8

fizz = -> (n) { n % 3 == 0 }
buzz = -> (n) { n % 5 == 0 }
fizzbuzz = -> (n) { fizz.call(n) and buzz.call(n) }

(1..30).each do |v|
  case v
  when fizzbuzz
    puts "fizzbuzz"
  when fizz
    puts "fizz"
  when buzz
    puts "buzz"
  else
    puts v
  end
end