toDatabaseFormat static method Null safety

int? toDatabaseFormat(
  1. {required ContentElementDifficulty? difficulty}
)

Implementation

static int? toDatabaseFormat(
    {required final ContentElementDifficulty? difficulty}) {
  switch (difficulty) {
    case ContentElementDifficulty.easy:
      return 0;
    case ContentElementDifficulty.normal:
      return 1;
    case ContentElementDifficulty.hard:
      return 2;
    default:
      return null;
  }
}