package yokohama.unit.position;

import lombok.Value;

@Value
public class Position {
    private int line;
    private int column;

    private static Position dummyPos = new Position(-1, -1);
    public static Position dummyPos() {
        return dummyPos;
    }
}

@@ -135,16 +135,216 @@
 umn;%0D%0A%0D%0A
+    public static Position of(int line) %7B%0D%0A        return new Position(line, -1);%0D%0A    %7D%0D%0A%0D%0A    public static Position of(int line, int column) %7B%0D%0A        return new Position(line, column);%0D%0A    %7D%0D%0A%0D%0A
     priv

Add Position.of method