cwgem

require 'yaml'

state = DATA.read
state = (state.empty?) ? [] : YAML::load(state)
state << 1

puts state.inspect

code = File.new(__FILE__).readlines
code = code[0..(code.find_index{ |x| /\A__END__\s*\z/ =~ x })].join("") << "\n" << YAML::dump(state)

cwgem

static VALUE
boot_defclass(const char *name, VALUE super)
{
    extern st_table *rb_class_tbl;
    VALUE obj = rb_class_boot(super);
    ID id = rb_intern(name);

    rb_name_class(obj, id);
    st_add_direct(rb_class_tbl, id, obj);
    rb_const_set((rb_cObject ? rb_cObject : obj), id, obj);

cwgem

class Employee
  attr_accessor :first_name
  attr_accessor :last_name
  attr_accessor :monthly_sales
  
  def to_s
    "#{@first_name} #{@last_name}: #{@monthly_sales}"
  end
end

cwgem

class Employee
  attr_accessor :first_name
  attr_accessor :last_name
  attr_accessor :monthly_sales
  
  include Comparable
  # 月間売上高で社員をソート
  def <=>(other_employee)
    other_employee.monthly_sales <=> @monthly_sales
  end

cwgem

# ランダム数　最小-最大
def range_rand(min,max)
  min + rand(max-min)
end

# ランダム名前
$names = File.new('names.txt', 'r').readlines.map {|line| line.chomp}
def rand_name
  $names[rand($names.length)]
end

cwgem

# ソート前
puts employees.inspect
# ソート後
puts employees.sort.inspect

# ※ご注意：これはランダムデータなので毎回結果がランダムとなります。
# [Alec Earl: 3030, Jayce Moises: 8373, Ronald Cornelius: 6653]
# [Jayce Moises: 8373, Ronald Cornelius: 6653, Alec Earl: 3030]

cwgem

class Employee
  attr_accessor :first_name
  attr_accessor :last_name
  attr_accessor :monthly_sales
  
  include Comparable
  # 月間売上高で社員をソート
  def <=>(other_employee)
    other_employee.monthly_sales <=> @monthly_sales
  end

cwgem

Aaron
Abdiel
Abdullah
Abel
Abraham
Abram
Adam
Adan
Addison
Aden

cwgem

irb(main):001:0> puts RUBY_VERSION + " " + RUBY_PLATFORM + " " + RUBY_PATCHLEVEL.to_s
1.9.2 x86_64-darwin10.8.0 290
=> nil
irb(main):002:0> 12345678987654321.class
=> Fixnum
 
irb(main):001:0> puts RUBY_VERSION + " " + RUBY_PLATFORM + " " + RUBY_PATCHLEVEL.to_s
1.9.4 i686-linux -1
=> nil
irb(main):002:0> 12345678987654321.class

cwgem

include ObjectSpace

class DestructorExample
  def initialize(name)
    define_finalizer self, proc { |id| puts "Instance #{name} Destroyed!" }
  end
end

define_finalizer DestructorExample, proc { |id| puts "Class Desroyed!" }