module TTY::Utils

def blank?(value)
  value.nil? || BLANK_REGEX === value
end

def deep_copy(object)
  Marshal.load(Marshal.dump(object))
end

def extract_options(args)
  options = args.last
  options.respond_to?(:to_hash) ? options.to_hash.dup : {}
end

def extract_options!(args)
  args.last.respond_to?(:to_hash) ? args.pop : {}
end