Fact.fromMap constructor Null safety

Fact.fromMap(
  1. Map<String, dynamic>? map
)

Construct a Fact from a Map containing all fields of the Fact.

Implementation

Fact.fromMap(Map<String, dynamic>? map)
    : factText = map?[DbFields.factText],
      factAuthor = map?[DbFields.factAuthor],
      factMedia = map?[DbFields.factMedia],
      factYear = map?[DbFields.factYear],
      factMonth = map?[DbFields.factMonth],
      factDay = map?[DbFields.factDay],
      factLink = map?[DbFields.factLink],
      factLanguage = map?[DbFields.factLanguage],
      objectId = map?["objectId"],
      factArchivedLink = map?[DbFields.factArchivedLink] ?? "";