/**
  * does $path point to a valid piece of data inside $container?
  *
  * @param  mixed $container
  *         the container to look inside
  * @param  string $path
  *         the dot.notation.support path to walk
  * @return boolean
  *         TRUE if $path points to a vlaid piece of data
  *         FALSE otherwise
  */
 public static function in($container, $path)
 {
     RequireReadableContainer::check($container);
     $method = self::lookupMethodFor($container, self::$dispatchTable);
     return self::$method($container, $path);
 }
 /**
  * @covers ::check
  * @dataProvider provideNonReadableContainers
  * @expectedException GanbaroDigital\DataContainers\Exceptions\E4xx_UnsupportedType
  */
 public function testRejectsNonReadableContainersWhenCalledStatically($item)
 {
     // ----------------------------------------------------------------
     // setup your test
     // ----------------------------------------------------------------
     // perform the change
     RequireReadableContainer::check($item);
 }
 /**
  * extract a value from a container, using dot.notation.support
  *
  * @param  mixed $item
  *         the container to extract from
  * @param  string $path
  *         the dot.notation.support path to walk
  * @return mixed
  *         whatever we find when we walk the path
  */
 public static function from($item, $path)
 {
     // robustness!
     RequireReadableContainer::check($item, E4xx_UnsupportedType::class);
     if (IsAssignable::check($item)) {
         return self::fromObject($item, $path);
     }
     return self::fromArray($item, $path);
 }