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9 changes: 4 additions & 5 deletions mulinh.tex
Original file line number Diff line number Diff line change
Expand Up @@ -64,11 +64,10 @@ \section{Multiple inheritance}
\scmdribble{
(define create-class-proc
(lambda (direct-superclasses slots method-names method-vector)
(let ((class-precedence-list
(delete-duplicates
(append-map
(lambda (c) (vector-ref c 2))
direct-superclasses))))
(let ((class-precedence-list (append direct-superclasses (delete-duplicates
(append-map
(lambda (c) (vector-ref c 2))
direct-superclasses)))))
(send 'make-instance standard-class
'class-precedence-list class-precedence-list
'slots
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2 changes: 1 addition & 1 deletion obj1.tex
Original file line number Diff line number Diff line change
Expand Up @@ -121,7 +121,7 @@ \section{A simple object system}
\n This binds \q{my-bike} to the instance

\q{
#(<trivial-bike-class> cromoly 18.5 alivio)
#(<trivial-bike-class> cromoly alivio 18.5)
}

\n where \q{<trivial-bike-class>} is a Scheme datum (another
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