function isLatitudeLongitude (object) {
  return (!!object && 
      typeof object.latitude === 'number' && 
      typeof object.longitude === 'number')
}
/**
 * Test whether an object is an object containing numeric properties `latitude` and `longitude`
 * @param {*} object Anything
 * @param {boolean} Returns true when object is of type LatitudeLongitude
 */
Test whether an object is an object containing numeric properties `latitude` and `longitude`
@param {*} object Anything
@param {boolean} Returns true when object is of type LatitudeLongitude
Test whether an object is an object containing numeric properties ` latitude ` and ` longitude ` @param { * } object Anything @param { boolean } Returns true when object is of type LatitudeLongitude
function isLatitudeLongitude (object) {
  return (!!object && 
      typeof object.latitude === 'number' && 
      typeof object.longitude === 'number')
}
function isLatitudeLongitude ( object ) { return ( ! ! object && typeof object . latitude === 'number' && typeof object . longitude === 'number' ) }
Test whether an object is an object containing numeric properties `latitude` and `longitude`
 @param {*} object Anything
 @param {boolean} Returns true when object is of type LatitudeLongitude
Test whether an object is an object containing numeric properties ` latitude ` and ` longitude ` @param { * } object Anything @param { boolean } Returns true when object is of type LatitudeLongitude