mungruby

class LiddleLizzard

  CHROMOSOME_LENGTH = 500

  include Comparable

  attr_accessor :chromosome

  def initialize
    @chromosome = BitString.new(CHROMOSOME_LENGTH).bit_string

mungruby

#!/usr/bin/env ruby -w

class BitString

  attr_accessor :bit_string

  def initialize string_length
    @bit_string = random_bit_string string_length
  end 

mungruby

  
module TopLevel
  
  module Greeter
    module Person
      def greeting
        "Hello from #{name}. I am a #{age} year old #{gender}."
      end
    end
  end

mungruby

fields = [:switch, :sha_ind, :dtdm, :utdm, :ttdm, :actual]

def create_struct name, fields
  Struct.new(name, *fields)
end

def create_singleton_struct name, fields
  if Struct::const_defined? name
    Struct.const_get name
  else

mungruby

module MockRetriever
  def self.fetch_rows database, table
    return ["#{rand(100)} Main St.", "#{rand(100)} Second Ave.", "#{rand(100)} Peach Ln."]
  end
end

module AddressHandler
  # @addresses = Hash.new( {} )   # old code - returns the SAME hash, not a new hash
  @addresses = Hash.new { |hash, key| hash[key] = {} }

mungruby

#!/usr/bin/env ruby -w
# chmod +x inject_0001.rb

sclass = Struct.new('Person', :name, :age, :gender)

people = []
people << sclass.new("Sue", 20, 'M')
people << sclass.new("Sue", 20, 'F')
people << sclass.new("Sue", 21, 'M')
people << sclass.new("Joe", 20, 'M')

mungruby

module InitialState 
  def self.state
    :unborn
  end
end 

module Baby
  def self.state
    :feed_me
  end

mungruby

module Greeter
  def greet
    puts "Hello #{name}! You're a #{party}."
  end
end

members = %w[name party]
customer = Struct.new('Customer', *members) do
  include Greeter

mungruby

members = %w[NAME ADDRESS]
members.map!(&:downcase)
members.map!(&:to_sym)

Customer = Struct.new(*members) do
  def print
    puts self.to_a.join(",")
  end
end

mungruby

class VariableArguments
  def initialize *args
    @first, @second, @third = *args
  end
end
 
v = VariableArguments.new
puts v.inspect
 
v = VariableArguments.new("Fred")