Instance Property

empty

A Boolean value that denotes whether the option is empty.

Declaration

@property(readonly, getter=isEmpty) BOOL empty;

Discussion

Returns YES if the option is equivalent to the empty set, or NO otherwise.

See Also

Comparing Compression Options

- containsOptions:

Determines whether the supplied compression options are all present in the current instance.

- intersectsOptions:

Determines whether the supplied compression options intersect with the current instance's options.