`(R* expression ...) → Scheme-object`syntaxEvaluate R-expressions and translate the final result into a Scheme object, where possible (cf. overview); use this (as opposed to

`R`) when you need to manipulate the value in Scheme.`expression`- An expression to evaluate
`...`- More expressions

(define-syntax R* (lambda (expression rename compare) `(R->scheme (R ,@(cdr expression)))))