Return whether val is a valid CopyMoveState::Enum value.
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.
true if val is a valid Enum value, else false
| Name | Description |
|---|---|
| val | enumeration value to validate |