From 355bbfd898a8b61797b3a077f15c5f97ab7ebb04 Mon Sep 17 00:00:00 2001 From: Marius Peter Date: Sun, 30 Nov 2025 11:11:09 +0100 Subject: Add contracts related to nutrient-value. --- models/fertilizer-product.rkt | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'models/fertilizer-product.rkt') 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 -- cgit v1.2.3