Call operator for objc.ObjCBlock<ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Float)>.
objc.ObjCBlock<ffi.Void Function(ffi.Pointer<ffi.Void>, ffi.Float)>
Available on ObjCBlock<Void Function(Pointer<Void>, Float)>, provided by the ObjCBlock_ffiVoid_ffiVoid_ffiFloat_CallExtension extension