Reference implementations
Factor handbook > The language > Collections > References

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References to objects:
obj-ref

<obj-ref> ( obj -- obj-ref )


References to assoc keys:
key-ref

<key-ref> ( assoc key -- key-ref )


References to assoc values:
value-ref

<value-ref> ( assoc key -- value-ref )


References to variables:
var-ref

<var-ref> ( var -- var-ref )

global-var-ref

<global-var-ref> ( var -- global-var-ref )


References to tuple slots:
slot-ref

<slot-ref> ( tuple slot -- slot-ref )


Using boxes as references:
Boxes as references