| Word | Stack effect |
| ( class superclass slots -- ) |
| Word | Stack effect |
| ( slots... layout -- tuple ) | |
| ( layout -- tuple ) |
| Word | Stack effect |
| ( old-values triples -- new-values ) | |
| ( class -- quot ) | |
| ( seq class -- seq class ) | |
| ( superclass -- ) | |
| ( object -- tuple ) | |
| ( class -- n ) | |
| ( new-slots old-slots -- triples ) | |
| ( n tuple -- array ) | |
| ( class -- ) | |
| ( class superclass slots -- ) | |
| ( class -- ) | |
| ( class -- ) | |
| ( class -- ) | |
| ( class -- ) | |
| ( class quot -- ) | |
| ( class -- n ) | |
| ( slots -- slots' ) | |
| ( class -- slots ) | |
| ( echelon -- n ) | |
| ( tuple -- layout ) | |
| ( object -- ? ) | |
| ( class -- layout ) | |
| ( tuple assoc -- ? ) | |
| ( slots class -- slots' class ) | |
| ( old-values layout -- new-values ) | |
| ( slots superclass -- slots' ) | |
| ( tuple -- n tuple layout ) | |
| ( class superclass slots -- ) | |
| ( class -- ) | |
| ( class -- classes ) | |
| ( slots -- effect ) | |
| ( class superclass slots -- ? ) | |
| ( object class offset -- ? ) | |
| ( class -- layout ) | |
| ( class echelon -- quot ) | |
| ( class -- quot ) | |
| ( class -- prototype ) | |
| ( tuple -- size ) | |
| ( old-values n class initial -- value ) | |
| ( tuple -- newtuple ) | |
| ( -- ) | |
| ( class -- ) |