dekellum

# Started with something like this
class GoKart
  def initialize( strategy = nil )
    @strategy = strategy
  end

  def drive
    if @strategy == :reverse
      puts "Reverse"
    else

dekellum

# GoKart becomes a module
module GoKart

  # GoKart.new becomes a factory method for strategy classes
  def self.new( strategy = nil )
    ( strategy == :reverse ) ? ReverseStrategy.new : ForwardStrategy.new
  end

  class ForwardStrategy
    def drive

dekellum

# We have to override the new %%install behavior because, well... the kernel is special.
%global __spec_install_pre %{___build_pre}

Summary: The Linux kernel

# For a stable, released kernel, released_kernel should be 1. For rawhide
# and/or a kernel built from an rc or git snapshot, released_kernel should
# be 0.
%global released_kernel 1

dekellum

#!/usr/bin/ruby

# Adapted from https://github.com/bbatsov/ruby-style-guide/issues/328#issuecomment-227967489

require 'benchmark'

n = 5000000

$priv_const = ( ARGV[0] == 'priv_const' )

dekellum

desc "Generate svg/png's from Graphviz dot diagrams"
task :dot

FileList[ '*.dot' ].each do |dot|
  svg = dot.sub( /(\.dot)$/, '.svg' )
  png = dot.sub( /(\.dot)$/, '.png' )

  file svg => [ dot ] do
    sh "dot -Tsvg -o #{svg} #{dot}"
  end

dekellum

(ns powerset.core-test
  (:use (clojure set test)))

(defn powerset [s]
  (apply union
         #{s} ;the complete set of all s
         (map (fn [i] (powerset (disj s i))) s)))

(deftest test-powerset
  (is (= #{#{}}