setOption method
- PrefsOption option
Add an option or replace an option if one already exists with the same
name.
If option exists in lockedPrefs it will not be added.
Returns true
if userPrefs was updated, false
otherwise.
Implementation
bool setOption(PrefsOption option) {
if (lockedPrefs.contains(option)) {
print('Option "${option.name}" (${option.value}) is locked and therefore '
'ignored');
return false;
}
_userPrefs.add(option);
return true;
}