Category: Language-Data types
Superclass: ValueAdaptor
I pretend to store my value in a variable, but I don't actually. You can use the only instance of my class (returned by `ValueHolder null') if you're not interested in a value that is returned as described in ValueHolder's comment.

Method category index

creating instances (class)
accessing (instance)

creating instances (class)

new
Not used -- use `ValueHolder null' instead

uniqueInstance

Answer the sole instance of NullValueHolder

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accessing (instance)

value
Retrive the value of the receiver. Always answer nil

value: anObject

Set the value of the receiver. Do nothing, discard the value

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