Пример #1
0
 public static DbUnit Subtract(DbUnit a, DbUnit b)
 {
     if (a.ValueType == b.ValueType)
     {
         return(a.subtract(b));
     }
     else
     {
         return(null);
     }
 }
Пример #2
0
 public static DbUnit Add(DbUnit a, DbUnit b)
 {
     if (a.ValueType == b.ValueType)
     {
         return(a.add(b));
     }
     else
     {
         return(null);
     }
 }
Пример #3
0
 protected abstract DbUnit subtract(DbUnit b);
Пример #4
0
 protected abstract DbUnit add(DbUnit b);