BrayanZ

class Employee
  attr_writer :salary
  attr_reader :salary
  def initialize name, salary
    @name = name
    @salary = salary
  end
end

employee = Employee.new("Homer", 500)

BrayanZ

class Employee
  def initialize name, salary
    @name = name
    @salary = salary
  end
  
  def salary
    return salary
  end
  

BrayanZ

# CommentsController handles model and view for Comment, and Review. It determines the types of
# of the comment resource (Post or Kata) and the comment (Comment or Review) by parsing the html
# request path.

class CommentsController < ApplicationController
  before_filter :authenticate_user!, :load_commentable, :load_commentable_collection
  before_filter :select_comment_symbol, :only => [:create, :update]

  ##
  # Create a new comment that belongs to a user and a post,

BrayanZ

  # Update the attributes of a post/article/kata, and generate a notice if the changes could
  # be saved or retry to edit otherwise.
  # The attributes to be saved are different between Post and Kata.
  # For Post, tags and source url need to be saved.
  # For Kata, categories, challenge level and source url need to be saved.
  
 def update
    @post = post_type.find_by_slug(params[:id])
    authorize! :update, @post
    @form = params[@type.downcase.to_sym]

BrayanZ

class Invoice
  def initialize *lines
    @lines = lines
  end
  
  def total
    @lines.inject(0){ |subtotal, line| subtotal += line.total }
  end
end

BrayanZ

class Invoice
  def initialize *lines
    @lines = lines
  end
  
  def total
    @lines.inject(0){ |subtotal, line| subtotal += line_subtotal(line) }
  end

  def line_subtotal line

BrayanZ

class Example
  
  def initialize(headquarters, positions)
    @positions = positions
    @headquarters = headquarters
  end

  def open_headquarter(headquarter)
    @headquarters[headquarter] = []
  end

BrayanZ

class Company

  def open_headquarter headquarter
    @headquarters << headquarter
  end

  def close_headquarter(headquarter_name)
    @headquarters.delete_if{ |headquater| headquarter.name == headquarter_name }
  end
end

BrayanZ

class User
  def initialize name, user_information={}
    @name = name
    @phone_number = user_information[:phone_number]
  end

  def name
    return @name
  end

BrayanZ

class User
   def initialize(name, user_information={})
     @name = name
     @phone_number = user_information[:phone_number] || NullPhoneNumber.new
   end

   def name
     @name
   end