create static method
Implementation
static Future<TSharedDoublePod> create(String key, {double? initialValue}) {
final finalInitialValue = initialValue ?? 0.0;
return TSharedDoublePod.create(
key,
fromValue: (rawValue) => rawValue ?? finalInitialValue,
toValue: (value) => value,
initialValue: finalInitialValue,
);
}