What should be done to have 'Value' in the enumeration?

This code does not compile:

object Token extends Enumeration {
    type ID = Value
    val Key, Value = Value
}

e开发者_Python百科rror: recursive value Value needs type

What should be done to have 'Value' in the enumeration ?

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This is not possible because Value is already a final member of Enumeration - the obvious suggestion is to call your field Val instead.