integer - 在 Delphi 中将枚举值转换为整数

Question

是否可以在 Delphi 中将枚举值转换/转换为整数？

如果是，那么如何？

Answer 1

这在 documentation for enumerated types 中明确指出。 :

几个预定义函数对序数值和类型标识符进行操作。其中最重要的内容总结如下。

| Function |                       Parameter                       |                      Return value | Remarks                                           ||----------|:-----------------------------------------------------:|----------------------------------:|---------------------------------------------------|| Ord      |                   Ordinal expression                  |  Ordinality of expression's value | Does not take Int64 arguments.                    || Pred     |                   Ordinal expression                  | Predecessor of expression's value |                                                   || Succ     |                   Ordinal expression                  |   Successor of expression's value |                                                   || High     | Ordinal type identifier or   variable of ordinal type | Highest value in type             | Also operates on short-string   types and arrays. || Low      | Ordinal type identifier or   variable of ordinal type | Lowest value in type              | Also operates on short-string   types and arrays. |