literUnit(with:)
Returns a HealthKit unit for measuring volume, using liter units with the provided prefix.
Declaration
class func literUnit(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 volume based on liters and the provided prefix.
Discussion
This method is used to create prefixed versions of liters, typically milliliter units, as shown below.