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a value to use instead (once).
the use-value restart is generally used by handlers trying
to recover from errors of types such as cell-error,
where the handler may wish to supply a replacement datum for one-time use.
Section 9.1.4.2 (Restarts), Section 9.1.4.2.2 (Interfaces to Restarts), invoke-restart, use-value (function), store-value (function and restart)