jmartelletti

scans = [
  ['A','B','C','D','A','B','A','A'],
  ['C','C','C','C','C','C','C'],
  ['A','B','C','D']
]

products = [
  { :code => 'A', :volume => 4, :price => 7 },
  { :code => 'A', :volume => 1, :price => 2 },
  { :code => 'B', :volume => 1, :price => 12 },

jmartelletti

require "binding_of_caller"

calls = []
stats = {}
trace = TracePoint.new(:call, :class, :return) do |tp|
  next if tp.path =~ /\/var\/lib\/gems\/2\.0\.0/
  next if tp.path =~ /\/usr\/lib\/ruby\/2\.0\.0/
  next if tp.path =~ /\(erb\)/
  stats[tp.defined_class] ||= {}

jmartelletti

ERROR     = "error"
STOPPED   = "stopped"
RUNNING   = "running"

state = ERROR
desired = STOPPED

([RUNNING].include? state) || (state == ERROR && desired == STOPPED)
[RUNNING].include?(state) || (state == ERROR && desired == STOPPED)
[RUNNING].include? state || (state == ERROR && desired == STOPPED)