containsMentionedUser method Null safety

bool containsMentionedUser(
  1. User? user
)

Implementation

bool containsMentionedUser(User? user) {
  if (user == null || mentionedUsers.isEmpty) {
    return false;
  }

  return mentionedUsers
      .where((element) => element.userId == user.userId)
      .toList()
      .isNotEmpty;
}