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Config

Configp

Recognizer for config structures.

Signature
(configp x) → *

Definitions and Theorems

Function: configp

(defun configp (x)
  (declare (xargs :guard t))
  (let ((__function__ 'configp))
    (declare (ignorable __function__))
    (and (consp x)
         (eq (car x) :config)
         (true-listp (cdr x))
         (eql (len (cdr x)) 2)
         (b* ((comms (std::da-nth 0 (cdr x)))
              (env (std::da-nth 1 (cdr x))))
           (and (comm-listp comms) (envp env))))))

Theorem: consp-when-configp

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