semmons99

class Recipe
  attr_reader :recipe

  def initialize(recipe)
    @recipe = recipe
    standardize
  end

  private

semmons99

$ ruby strings.rb                                                  [1.8.7-p357]
                    user     system      total        real
double quote
assignment:     1.580000   0.000000   1.580000 (  1.575944)
+:              8.750000   0.000000   8.750000 (  8.746774)
<<:             9.660000   0.010000   9.670000 (  9.668061)
interpolation:  8.870000   0.000000   8.870000 (  8.869000)
single quote
assignment:     1.570000   0.000000   1.570000 (  1.570190)
+:              8.580000   0.000000   8.580000 (  8.581263)

semmons99

module Foo
  extend self

  def initialize(*args)
    super
  end
end

class Bar
  def initialize

semmons99

C:\>irb
irb(main):001:0> require 'rubygems'
=> true
irb(main):002:0> require 'rdoc'
=> true
irb(main):003:0> puts $LOAD_PATH
C:/Dropbox/apps/Ruby-192-p180/lib/ruby/site_ruby/1.9.1
C:/Dropbox/apps/Ruby-192-p180/lib/ruby/site_ruby/1.9.1/i386-msvcrt
C:/Dropbox/apps/Ruby-192-p180/lib/ruby/site_ruby
C:/Dropbox/apps/Ruby-192-p180/lib/ruby/vendor_ruby/1.9.1

semmons99

def round(n)
  cents     = n * BigDecimal("100")
  remainder = cents % BigDecimal("1")

  if remainder == BigDecimal("0")
    n
  elsif remainder < BigDecimal("0.5")
    n.round(2, BigDecimal::ROUND_DOWN)
  elsif remainder > BigDecimal("0.5")
    n.round(2, BigDecimal::ROUND_UP)

semmons99

module MyModule
  extend self
  
  attr_accessor :log_results
  
  @log_results = true
  
  def parse
    if @log_results == true
      puts "logging results"

semmons99

module GitStats
  module CLI
    extend self

    def parse(argv)
      options = parse_options(argv)
    end

    private
    

semmons99

module RobotFactory
  def self.next_direction(factory_floor)
    # same code as before, however, instead of printing "GO WEST"
    # or "GO EAST" return those as strings.
  end

  private

  def count_impacts
    # same code as before

semmons99

def bankers_round(amount)
  scaled_amt = amount * BigDecimal("100")

  if scaled_amt.frac > BigDecimal("0.5")
    return scaled_amt.ceil / BigDecimal("100")
  elsif scaled_amt.frac < BigDecimal("0.5")
    return scaled_amt.floor / BigDecimal("100")
  end

  return scaled_amt.floor / BigDecimal("100") if scaled_amt.to_i.even?

semmons99

class Rates
  def initialize(rates_xml)
    @rates     = {}
    @rates_xml = rates_xml
  end

  def rate(from, to)
    @rates["#{from}:#{to}"] ||= derive_rate(from, to)
  end