jgaskins

# A PORO controller can be just an object that takes the request, response,
# and streaming-socket objects into the constructor. It can do the typical
# ActionController things, like get the objects it needs and tell the response
# to render the view with those objects.

class WidgetsController
  attr_accessor :request, :response, :stream

  def initialize(request, response, stream_socket)
    @request = request

jgaskins

class Class
  # Important: keep 'initialize' at the end of this array
  COMMON_INIT_MISSPELLINGS = %w(intitialize intialize initialise initialize) # etc...
  def new(*args)
    obj = allocate
    obj.send COMMON_INIT_MISSPELLINGS.find { |m| obj.respond_to? m }, *args
    obj
  end
end

jgaskins

➜  rails_three  time RAILS_ENV=production rake assets:precompile
/Users/jamie/.rvm/rubies/ruby-2.0.0-p247/bin/ruby /Users/jamie/.rvm/gems/ruby-2.0.0-p247@global/bin/rake assets:precompile:all RAILS_ENV=production RAILS_GROUPS=assets
RAILS_ENV=production rake assets:precompile  20.75s user 1.82s system 93% cpu 24.089 total

jgaskins

require_relative '../lib/perpetuity/attribute_set.rb'
require_relative '../lib/perpetuity/attribute.rb'
require 'benchmark/ips'

include Perpetuity
attributes = AttributeSet.new
names = %w(foo bar baz quux abc def ghi)
names.each do |name|
  attributes << Attribute.new(name)
end

jgaskins

class ImmutableQueue
  attr_reader :first, :last, :count
  def initialize
    @count = 0
  end

  def << object
    object = object.dup rescue object
    node = Node.new(object)
    duplicate do

jgaskins

class Person
  attr_reader :name, :enemies

  def initialize name
    @name = name
    @enemies = []
  end

  def add_enemies enemies
    @enemies.concat enemies

jgaskins

With 115k results:

Rehearsal ----------------------------------------------------------------------
sorting Mongo query in Mongo         0.990000   0.100000   1.090000 (  2.193201)
sorting Mongo query in Ruby          0.980000   0.030000   1.010000 (  1.171781)
sorting Postgres query in Postgres   0.100000   0.020000   0.120000 (  2.143469)
sorting Postgres query in Ruby       0.340000   0.030000   0.370000 (  0.485265)
------------------------------------------------------------- total: 2.590000sec

                                         user     system      total        real

jgaskins

require 'set'

class NoNilSet
  include Enumerable
  
  def initialize(values=[])
    @set = Set.new
    @set += Array(values).compact
  end

jgaskins

class Array
  def remove_one values
    values = values.dup
    new_array = []
    each do |value|
      if values.include? value
        values.delete value
      else
        new_array << value
      end

jgaskins

class Module
  def namespace
    path = name.split('::')[0...-1]
    path.reduce(Object) { |namespace, const| namespace.const_get(const) }
  end
end