contains
Returns whether duration is directly selectable.
This membership check does not validate the complete item configuration. Invalid, duplicate, empty, or unsatisfiable sources are rejected by coerceDuration and by DurationPicker composition.
Parameters
duration
The scalar duration to test.
Returns whether hours and minutes form a directly selectable duration.
Invalid negative hours or minute values outside 0..59 return false.
Parameters
hours
The non-negative elapsed whole-hour component.
minutes
The minute-within-hour component.