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Transunit-ensemble

Transunit-ensemblep

Recognizer for transunit-ensemble structures.

Signature
(transunit-ensemblep x) → *

Definitions and Theorems

Function: transunit-ensemblep

(defun transunit-ensemblep (x)
  (declare (xargs :guard t))
  (let ((__function__ 'transunit-ensemblep))
    (declare (ignorable __function__))
    (and (mbe :logic (and (alistp x)
                          (equal (strip-cars x) '(unwrap)))
              :exec (fty::alist-with-carsp x '(unwrap)))
         (b* ((unwrap (cdr (std::da-nth 0 x))))
           (filepath-transunit-mapp unwrap)))))

Theorem: consp-when-transunit-ensemblep

(defthm consp-when-transunit-ensemblep
  (implies (transunit-ensemblep x)
           (consp x))
  :rule-classes :compound-recognizer)