pub type NEHotspotHelperHandler = *mut DynBlock<dyn Fn(NonNull<NEHotspotHelperCommand>)>;Available on crate feature
block2 only.Expand description
The type definition for the HotspotHelper’s command handler block.
The application provides a block of this type when it invokes the +[NEHotspotHelper registerWithOptions:queue:handler] method. The block is invoked every time there is a command to be processed.
See also Apple’s documentation