diff options
Diffstat (limited to 'coding-exercises/2/83/install.rkt')
| -rw-r--r-- | coding-exercises/2/83/install.rkt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/coding-exercises/2/83/install.rkt b/coding-exercises/2/83/install.rkt index 0cd8bbf..d972784 100644 --- a/coding-exercises/2/83/install.rkt +++ b/coding-exercises/2/83/install.rkt @@ -86,6 +86,8 @@ (apply-fn '=zero? datum)) (define (add a1 a2) (apply-fn 'add a1 a2)) +(define (neg a) + (apply-fn 'neg a)) (define (sub a1 a2) (apply-fn 'sub a1 a2)) (define (mul a1 a2) |