prefman library

Classes

Option<T>: Defines an Option in a Preference.
Preference<T>: You can think of this class as a persistent observable variable with validation can easily be used to create Setting UI using title, description, options & getSelectedOption.
PrefMan: The Core Class of this library. Should only be used for initialization.
PrefManDriver
PrefManInMemoryDriver
SettingManifest: enables easier grouping of Preferences and backup & restore functionality.

ValueValidator<T> = bool Function(T value): if the value is valid returns true if it's invalid returns false