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require 'rubygems'
require 'bundler'
Bundler.require

include Contracts
Contract Num, Num => Num
def add_c(a, b)
	a + b
end

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vendor/bundle/ruby/2.0.0/gems/actionpack-4.2.0/lib/action_dispatch/routing/route_set.rb:271:in `call': undefined method `url_options' for #<Module:0x007fd2d8597d58> (NoMethodError)
	from vendor/bundle/ruby/2.0.0/gems/actionpack-4.2.0/lib/action_dispatch/routing/route_set.rb:222:in `call'
	from vendor/bundle/ruby/2.0.0/gems/actionpack-4.2.0/lib/action_dispatch/routing/route_set.rb:334:in `block (2 levels) in define_url_helper'
	from config/environment.rb:134:in `block (2 levels) in <top (required)>'
	[... app specific code, sorry ...]
	from vendor/bundle/ruby/2.0.0/gems/sidekiq-3.2.5/lib/sidekiq/processor.rb:52:in `block (2 levels) in process'
	from vendor/bundle/ruby/2.0.0/gems/sidekiq-3.2.5/lib/sidekiq/middleware/chain.rb:122:in `call'
	from vendor/bundle/ruby/2.0.0/gems/sidekiq-3.2.5/lib/sidekiq/middleware/chain.rb:122:in `block in invoke'
	from vendor/bundle/ruby/2.0.0/gems/sidekiq-pro-1.9.0/lib/sidekiq/batch/middleware.rb:26:in `call'
	from vendor/bundle/ruby/2.0.0/gems/sidekiq-3.2.5/lib/sidekiq/middlewar

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package com.pavelkalvoda.misc.smoothvox.terrain;

import java.util.Random;

// Based on http://staffwww.itn.liu.se/~stegu/simplexnoise/simplexnoise.pdf
// http://www.csee.umbc.edu/~olano/s2002c36/ch02.pdf
// http://mrl.nyu.edu/~perlin/doc/oscar.html
//  + simplified 
public class SimpleSimplexNoise {

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module M
  def x
    'M'
  end
end

class A
  def x
    42
  end

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class Window
	def initialize
		# Implementor selection strategy
		extend [WindowsAPI, X11API].sample
	end

	def drawRectangle
		4.times { drawLine }
	end
end

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module Libcbor
  	extend FFI::Library
	ffi_lib ['/usr/local/lib/libcbor.so']
	attach_function :cbor_new_int8, [], :pointer
	attach_function :cbor_set_uint16, [:pointer, :ushort], :void
	attach_function :cbor_set_uint8, [:pointer, :uchar], :void
	attach_function :cbor_serialize, [:pointer, :pointer, :size_t], :size_t
	puts 'yo'
end

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$(NAME).bbl: $(BIB) $(NAME).tex
	pdflatex -shell-escape $(PDFL_FLAGS) $(NAME)
	biber $(NAME)

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#include "cbor.h"

int main(int argc, char * argv[])
{
	/* Preallocate the map structure */
	cbor_item_t * root = cbor_new_definite_map(2);
	/* Add the content */
	cbor_map_add(root, (struct cbor_pair) {
		.key = cbor_move(cbor_build_string("Is CBOR awesome?")),
		.value = cbor_move(cbor_build_bool(true))

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#include <cbor.h>
#include <stdio.h>

int main(int argc, char * argv[])
{
	/* Preallocate the map structure */
	cbor_item_t * root = cbor_new_definite_map(2);
	/* Add the content */
	cbor_map_add(root, (struct cbor_pair) {
		.key = cbor_move(cbor_build_string("Is CBOR awesome?")),

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ETH Systems construction 2015

Exam questions based on the slides and official materials. Covers Minos, Active Oberon, A2, Active Cells, ARM.