/**
 * @todo console.assert
 */
function get() {
  const response = {
    eh: 1, 
    canada: 2, 
    moose: 3,
    igloo: {
      nested: {
        isDeep: true,
      }
    }
  }
  const oneOf = getOneOf(response)
  console.log(oneOf(['eh', 'canada']))
  //=> 1
  console.log(oneOf('canada'))
  //=> 1
  console.log(oneOf('moose', 'canada'))
  //=> 1
  console.log(oneOf('igloo.nested.isDeep', 'canada'))
}