with-scope ( quot -- )
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with-variable ( value key quot -- )

Vocabulary
namespaces

Inputs

quot	a quotation

Outputs
None

Word description
Calls the quotation in a new namespace. Any variables set by the quotation are discarded when it returns.

Examples

USING: math namespaces prettyprint ; IN: scratchpad SYMBOL: x 0 x set [ x [ 5 + ] change x get . ] with-scope x get .
5 0

Definition

USING: hashtables kernel ;

IN: namespaces

: with-scope ( quot -- ) 5 <hashtable> swap with-variables ;
    inline