playerWon.dart

  bool playerWon(List<int> playerMoves){
    bool won = false;
//     first line horizontal
    if(playerMoves.contains(0) && playerMoves.contains(1) && playerMoves.contains(2)){
      return won = true;
    }
//     second line horizontal
    if(playerMoves.contains(3) && playerMoves.contains(4) && playerMoves.contains(5)){
      return won = true;
    }
//     third line horizontal
    if(playerMoves.contains(6) && playerMoves.contains(7) && playerMoves.contains(8)){
      return won = true;
    }
//     first line vertical
    if(playerMoves.contains(0) && playerMoves.contains(3) && playerMoves.contains(6)){
      return won = true;
    }
//      second line vertical
    if(playerMoves.contains(1) && playerMoves.contains(4) && playerMoves.contains(7)){
      return won = true;
    }
//      third line vertical
    if(playerMoves.contains(2) && playerMoves.contains(5) && playerMoves.contains(8)){
      return won = true;
    }
//     top 0 bottom 8 across
    if(playerMoves.contains(0) && playerMoves.contains(4) && playerMoves.contains(8)){
      return won = true;
    }
//    top 2 bottom 6 across
    if(playerMoves.contains(2) && playerMoves.contains(4) && playerMoves.contains(6)){
      return won = true;
    }


    return won;
  }