diff options
| author | Marius Peter <dev@marius-peter.com> | 2025-11-30 11:11:09 +0100 |
|---|---|---|
| committer | Marius Peter <dev@marius-peter.com> | 2025-11-30 11:11:09 +0100 |
| commit | 355bbfd898a8b61797b3a077f15c5f97ab7ebb04 (patch) | |
| tree | f4d64c5db18d04dec249eb939ede834148a26acc /models/fertilizer-product.rkt | |
| parent | d70e4dc1318d461d4da9fec5b5c1aa73a299f23c (diff) | |
Add contracts related to nutrient-value.
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 |