T operator [](
Object object
)

Gets the value of this Expando's property on the given object. If the object hasn't been expanded, the method returns null.

The object must not be a number, a string, a boolean or null.

Source

/**
 * Gets the value of this [Expando]'s property on the given
 * object. If the object hasn't been expanded, the method returns
 * [:null:].
 *
 * The object must not be a number, a string, a boolean or null.
 */
external T operator [](Object object);