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Code-ensemble

Code-ensemblep

Recognizer for code-ensemble structures.

Signature
(code-ensemblep x) → *

Definitions and Theorems

Function: code-ensemblep

(defun code-ensemblep (x)
  (declare (xargs :guard t))
  (and (mbe :logic (and (alistp x)
                        (equal (strip-cars x)
                               '(transunits ienv)))
            :exec (fty::alist-with-carsp x '(transunits ienv)))
       (b* ((transunits (cdr (std::da-nth 0 x)))
            (ienv (cdr (std::da-nth 1 x))))
         (and (transunit-ensemblep transunits)
              (ienvp ienv)))))

Theorem: consp-when-code-ensemblep

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