Exploring FizzBuzz

1_fizzbuzz_with_if_else.rb

def fizzbuzz
  (1..100).each do |n|
    if (n % 3 == 0) && (n % 5 == 0)
      puts 'FizzBuzz'
    elsif n % 3 == 0
      puts 'Fizz'
    elsif n % 5 == 0
      puts 'Buzz'
    else
      puts n
    end
  end
end

2_fizzbuzz_with_case.rb

def fizzbuzz
  (1..100).each do |n|
    case
    when (n % 3 == 0) && (n % 5 == 0)
      puts 'FizzBuzz'  
    when n % 3 == 0
      puts 'Fizz'
    when n % 5 == 0
      puts 'Buzz'
    else
      puts n
    end
  end
end

3_fizzbuzz_with_case_refactored.rb

def fizzbuzz
  (1..100).each do |n|
    fizz = (n % 3 == 0)
    buzz = (n % 5 == 0)
    
    puts case
    when fizz && buzz
      'FizzBuzz'  
    when fizz
      'Fizz'
    when buzz
      'Buzz'
    else
      n
    end
    
  end
end

4_fizzbuzz_with_inline_conditionals.rb

def fizzbuzz
  (1..100).each do |n|
    fizz = (n % 3 == 0)
    buzz = (n % 5 == 0)
    
    result = 'fizz' if fizz
    result = 'buzz' if buzz
    result = 'FizzBuzz' if fizz && buzz    
    result ||= n
    
    puts result
  end
end

5_fizzbuzz_without_modulus.rb

def fizz
  fizz = 3
  buzz = 5
  fizzbuzz = 15
  
  (1..100).each do |n|

      while n == fizz do
        result = 'fizz'
        fizz += 3
      end

      while n == buzz do
        result = 'buzz'
        buzz += 5
      end

      while n == fizzbuzz do
        result = 'fizzbuzz'
        fizzbuzz += 15
      end
    
      result ||= n    
      
      puts result
  end
end

6_fizzbuzz_with_arguments.rb

def fizzbuzz(f, b)
  (1..100).each do |n|
    fizz = (n % f == 0)
    buzz = (n % b == 0)
    
    result = "Fizz" if fizz
    result = "Buzz" if buzz
    result = "FizzBuzz" if fizz && buzz    
    result ||= n
    
    puts result
  end
end

7_fizzbuzz_with_more_arguments.rb

def fizzbuzz(options={first_number: 3, second_number: 5, first_name: 'fizz', second_name: 'buzz'})
  (1..100).each do |n|
    condition1 = (n % options[:first_number] == 0)
    condition2 = (n % options[:second_number] == 0)
    
    result = options[:first_name] if condition1
    result = options[:second_name] if condition2
    result = options[:first_name] + options[:second_name] if condition1 && condition2
    result ||= n
    
    puts result
  end
end

fizzbuzz({first_number: 3, second_number: 7, first_name: 'sizzle', second_name: 'fizzle'}) 

8_fizzbuzz_as_a_class.rb

class Fizz
  attr_accessor :first_number, :second_number, :first_name, :second_name
  
  def initialize(first_number, second_number, first_name, second_name)  
    @first_number = first_number  
    @second_number = second_number  
    @first_name = first_name  
    @second_name = second_name      
  end  
  
  def buzz
    (1..100).each do |n|
      fizz = (n % first_number == 0)
      buzz = (n % second_number == 0)
      
      result = first_name if fizz
      result = second_name if buzz
      result = (first_name + second_name) if fizz && buzz
      result ||= n
      
      puts result
    end
  end
end

f = Fizz.new(4, 7, 'Benji', 'Dalton')   
f.buzz