dbenhur

#!/usr/bin/env ruby                                                                       

# benchmarks for http://stackoverflow.com/questions/11349544/ruby-optimize-the-comparison-of-two-arrays-with-duplicates/11352055#comment14951595_11352055

require 'rubygems'
require 'multiset'
require 'benchmark'

small_b = "cheddaar".split(//)
small_a = "cheddar".split(//)

dbenhur

require 'rspec'

T = 10000
N = 200

class ConcurrentSender
  def initialize(collaborator,message,threads,sends)
    @collaborator,@message,@threads,@sends = collaborator,message,threads,sends
    @tasks = []
  end

dbenhur

# Do you ever define #method_missing and forget #respond_to? I sure
# do.  It would be nice if we could do them both at the same time.

module MatchMethodMacros
  def match_method(matcher, &method_body) 
    mod = Module.new do
      define_method(:method_missing) do |method_name, *args, &blk|
        if matcher === method_name.to_s
          instance_exec(method_name, *args, blk, &method_body)
        else

dbenhur

    def transform_hash(original, options={}, &block)  
      options[:safe_descent] ||= {}
      new_hash = {}
      options[:safe_descent][original.object_id] = new_hash
      original.inject(new_hash) { |result, (key,value)|  
        if (options[:deep] && Hash === value)
          value = options[:safe_descent].fetch( value.object_id ) {
                    transform_hash(value, options, &block)
                  }
        end