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-rw-r--r--models/nutrient-measurement.rkt7
1 files changed, 4 insertions, 3 deletions
diff --git a/models/nutrient-measurement.rkt b/models/nutrient-measurement.rkt
index b4baba6..ae0e2ef 100644
--- a/models/nutrient-measurement.rkt
+++ b/models/nutrient-measurement.rkt
@@ -10,11 +10,12 @@
[get-nutrient-measurements (-> (listof nutrient-measurement?))]
[get-nutrient-measurement
(->* ()
- (#:id (or/c #f exact-nonnegative-integer?) #:measured-on (or/c #f string?))
+ (#:id exact-nonnegative-integer? #:measured-on string?)
(or/c nutrient-measurement? #f))]
[get-nutrient-measurement-values (-> nutrient-measurement-or-id/c nutrient-value-hash/c)]
- [get-nutrient-measurement-value (-> nutrient-measurement-or-id/c nutrient? (or/c real? #f))]
- [get-latest-nutrient-measurement-value (-> nutrient? (or/c real? #f))]
+ [get-nutrient-measurement-value
+ (-> nutrient-measurement-or-id/c nutrient? maybe-nutrient-value?)]
+ [get-latest-nutrient-measurement-value (-> nutrient? maybe-nutrient-value?)]
[get-latest-nutrient-measurement-hash (-> nutrient-value-hash/c)]
[delete-nutrient-measurement! (-> nutrient-measurement-or-id/c void?)]))
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