diff options
Diffstat (limited to 'models/nutrient-measurement.rkt')
| -rw-r--r-- | models/nutrient-measurement.rkt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/models/nutrient-measurement.rkt b/models/nutrient-measurement.rkt index fa1171c..3e8213d 100644 --- a/models/nutrient-measurement.rkt +++ b/models/nutrient-measurement.rkt @@ -13,9 +13,9 @@ (#:id (or/c #f exact-nonnegative-integer?) #:measured-on (or/c #f string?)) (or/c nutrient-measurement? #f))] [get-nutrient-measurement-values (-> nutrient-measurement? nutrient-value-hash/c)] - [get-nutrient-measurement-value (-> nutrient-measurement? nutrient? number?)] + [get-nutrient-measurement-value (-> nutrient-measurement? nutrient? (or/c number? #f))] [get-latest-nutrient-measurement-value (-> nutrient? (or/c number? #f))] - [get-latest-nutrient-measurement-hash (-> (hash/c nutrient? number?))] + [get-latest-nutrient-measurement-hash (-> nutrient-value-hash/c)] [delete-nutrient-measurement! (-> nutrient-measurement? void?)])) (require racket/contract |