2017/01/28 BuriKaigi2017 in Toyama https://toyama-eng.connpass.com/event/45745/

2. •
•
•
•

3. •
•
•
•

4. •
•
•
•
•
•
4

5. •
•
delegate
C# 1.X C# 2.0 C# 3.0 C# 4.0 C# 5.0
class
手続き型 関数型
ラムダ式
LINQ
型推論
ジェネリック
拡張メソッド
動的型付け
dynamic
非同期
async/await
オブジェクト
指向
Parallel
…

6. •
•
•
•
•
•
•
•

7. •
•
•
•

13. •
•
•
•
•
•
•

15. •
•
ちゃんとやれよ。
何ちゃんとやってんだ!

16. •

17. •
•
•
メソッドが取り替えられないなら
インスタンスを取り替えてしまえば
良いじゃない

18. •
•
•

19. •
•
class PlayerTable
: IEnumerable<KeyValuePair<Board.Piece, IPlayer>> {
Dictionary<Board.Piece, IPlayer> playerDictionary
= new Dictionary<Board.Piece, IPlayer>();
……
}
class GameRunner {
……
}

20. class PlayerChecker
{
readonly Board.Piece theStrongestPiece;
readonly PlayerTable playerTable = new PlayerTable(
players: new IPlayer[] {
new PlayerRyotaMurohoshi(),
new PlayerAILight (),
new PlayerXin9le (),
new PlayerFujiwo3 ()
}
);
public static Board.Piece TheStrongestPiece => theStrongestPiece;
……
}

22. class PieceChanger : IDisposable
{
readonly Board.Piece[,] boardDataOriginal;
readonly Board.Piece[,] boardData;
public PieceChanger(Board.Piece[,] boardData, Board.Piece privatePiece) {
if (privatePiece.IsOldMansPiece()) {
this.boardData = null;
boardDataOriginal = null;
} else {
this.boardData = boardData;
boardDataOriginal = (Board.Piece[,])boardData.Clone();
Change(privatePiece);
}
}
void Change(Board.Piece privatePiece) {
……
}
……
}