diff options
Diffstat (limited to 'models/fertilizer-product.rkt')
| -rw-r--r-- | models/fertilizer-product.rkt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/models/fertilizer-product.rkt b/models/fertilizer-product.rkt index 5c0de6c..cd86e2e 100644 --- a/models/fertilizer-product.rkt +++ b/models/fertilizer-product.rkt @@ -14,7 +14,8 @@ (#:id (or/c #f exact-nonnegative-integer?) #:canonical-name (or/c #f string?)) (or/c fertilizer-product? #f))] [get-fertilizer-product-values (-> fertilizer-product-or-id/c nutrient-value-hash/c)] - [get-fertilizer-product-value (-> fertilizer-product-or-id/c nutrient? (or/c #f number?))] + [get-fertilizer-product-value + (-> fertilizer-product-or-id/c nutrient? maybe-nutrient-value?)] [delete-fertilizer-product! (-> fertilizer-product-or-id/c void?)])) (require racket/contract |