slightly faster method sends  by using just `object-ref' instead of `object?' plus `object-ref'
slightly faster method sends
 by using just `object-ref' instead of `object?' plus `object-ref'

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket