function flag(values, value, flags) {
  return flags && own.call(values, value) && flags.indexOf(values[value]) !== -1
}
function flag(values, value, flags) {
  return flags && own.call(values, value) && flags.indexOf(values[value]) !== -1
}
function flag ( values , value , flags ) { return flags && own . call ( values , value ) && flags . indexOf ( values [ value ] ) !== - 1 }
Check whether a word has a flag.
Check whether a word has a flag .