gramUnit(with:)
Returns a HealthKit unit for measuring mass, using gram units with the provided prefix.
Declaration
class func gramUnit(with prefix: HKMetricPrefix) -> SelfParameters
- prefix:
A valid metric prefix value. For the complete list of prefix values, see Hkmetricprefix.
Return Value
A HealthKit unit for measuring mass based on grams and the given prefix.
Discussion
This method is used to create prefixed versions of grams, typically kilogram units, as shown below.