suzanne.soy/compatibility
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fixed type for first & rest

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original commit: df24b968c6cfeb814256523f2bda3907811a6dd0
This commit is contained in:
Matthew Flatt 1997-09-26 18:28:36 +00:00
parent 84f81ab101
commit 81b5e77831
1 changed files with 2 additions and 2 deletions
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4
collects/mzlib/functior.ss
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@ -180,7 +180,7 @@
(define first (polymorphic (lambda (x)
(unless (pair? x)
(raise-type-error 'first "list" x))
(raise-type-error 'first "non-empty list" x))
(car x))))
(define second (polymorphic cadr))
(define third (polymorphic caddr))
@ -192,7 +192,7 @@
(define rest (polymorphic (lambda (x)
(unless (pair? x)
(raise-type-error 'rest "list" x))
(raise-type-error 'rest "non-empty list" x))
(cdr x))))
(define build-string