The discriminator type must be an integral type (short, long, long long, and so on, as well as char, boolean, or enumeraton).
识别名称类型必须是整数类型(short 、long 、 long long等,以及char 、boolean或 enumeraton )。
The discriminator type must be an integral type (short, long, long long, and so on, as well as char, boolean, or enumeraton).
识别名称类型必须是整数类型(short 、long 、 long long等,以及char 、boolean或 enumeraton )。
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