rickhull

begin
  require 'flay_task'
  FlayTask.new do |t|
    t.dirs = ['lib']
    t.verbose = true
  end
rescue LoadError
  warn 'flay_task unavailable'
end

rickhull

module CompSci
  # has a value and an array of children; allows child gaps
  class Node
    attr_accessor :value
    attr_reader :children

    def initialize(value, children: [])
      @value = value
      if children.is_a?(Integer)
        @children = Array.new(children)

rickhull

group "cpu" do
  File.readlines("/proc/stat").grep(/^cpu/).each do |l|
    name, user, nice, csystem, idle, iowait, irq, softirq = l.split(/\s+/).map(&:to_i)
    total = busy + idle

    counter "busy", value: busy, mute: true
    counter "total", value: total, mute: true
    gauge "usage" do
      value("busy") / value("total") * 100
    end

rickhull

vagrant@contrib-jessie:~/git/mruby-tools (master)$ ./util.rb hello_world.rb goodbye_world.rb -o myprog
compiling...
created binary executable: myprog


vagrant@contrib-jessie:~/git/mruby-tools (master)$ file myprog
myprog: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=bb9af8c7a3aaedcb51da5b6aca8e0ba68d1f27f2, not stripped


vagrant@contrib-jessie:~/git/mruby-tools (master)$ ./myprog

rickhull

RANDMAX = 1_000
NUMBERWANG = 1_000
NUMS = (0..(RANDMAX - 1)).to_a.shuffle

def number(num)
  if num % NUMBERWANG == 0
    NUMS.shift
    NUMS.push rand RANDMAX
  end
  NUMS[num % RANDMAX]

rickhull

module Foo
  def print(msg)
    p [msg, self]
  end
end

class Bar
  include Foo

  def initialize

rickhull

vagrant@contrib-jessie:~/mruby/sleep_world$ cat build_config.rb
puts "BUILD CONFIG: #{__FILE__}"

MRuby::Build.new do |conf|
  toolchain :gcc
  conf.gem git: 'https://github.com/matsumotory/mruby-sleep'
end

rickhull

prices = {
  "tennis ball" => 4.99,
  "beach ball" => 12.99,
  "giraffe" => 93.86,
}


print "What is your name? "
name = gets.chomp

rickhull

require 'minitest/autorun'

def rock(other)
  case other
  when :rock then 0
  when :paper then :paper
  when :scissors then :rock
  else
    raise "unknown value: #{other}"
  end

rickhull

vagrant@contrib-jessie:~/git/mruby (master)$ echo $MRUBY_CONFIG
/home/vagrant/mruby/build_config.rb

vagrant@contrib-jessie:~/git/mruby (master)$ cat $MRUBY_CONFIG
puts "\n" * 20
puts "HELLO WORLD"
puts "\n" * 5

MRuby::Build.new do |conf|
  toolchain :gcc