go-back ( history -- )
History models

Prev:	add-history ( history -- )
Next:	go-forward ( history -- )

Vocabulary
models.history

Inputs

history

a history

Outputs
None

Word description
Restores the previous value and calls model-changed on all observers registered with add-connection.

See also
<history>, add-history, go-forward

Definition

USING: accessors kernel ;

IN: models.history

: go-back ( history -- )
    dup [ forward>> ] [ back>> ] bi go-back/forward ;