Return true if the specified val is a valid value of Enum; otherwise false. A valid value is any of the enumerators or the bitwise OR of any of the enumerators except e_UNKNOWN with e_MOVED_FROM.
Return true if the specified val is a valid value of Enum; otherwise false. A valid value is any of the enumerators or the bitwise OR of any of the enumerators except e_UNKNOWN with e_MOVED_FROM.