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Instance Method Details

#bools! ⇒ Object 



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# File 'lib/bools.rb', line 1

def bools!
  vars = method(:test).arity
  cols = vars.times.map {|i| (97 + i).chr}
  runs = 1 << vars

  puts
  puts [*cols, '|', 'result'] * ' '
  puts ['--' * cols.size, '-' * 6] * '+-'

  runs.times do |i|
    list = ("%0*b" % [vars, i]).split('')
    vals = list.map {|item| item == '1'}
    resu = !!test(*vals) ? '1' : '0'
    puts [*list, '|', resu] * ' '
  end
end