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Closure

Closure->name

Get the name field from a closure.

Signature
(closure->name x) → name
Arguments: x — Guard (closurep x).
Returns: name — Type (identifierp name).

This is an ordinary field accessor created by fty::defprod.

Definitions and Theorems

Function: closure->name$inline

(defun closure->name$inline (x)
  (declare (xargs :guard (closurep x)))
  (declare (xargs :guard t))
  (let ((__function__ 'closure->name))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (identifier-fix (cdr (std::da-nth 0 (cdr x)))))
         :exec (cdr (std::da-nth 0 (cdr x))))))

Theorem: identifierp-of-closure->name

(defthm identifierp-of-closure->name
  (b* ((name (closure->name$inline x)))
    (identifierp name))
  :rule-classes :rewrite)

Theorem: closure->name$inline-of-closure-fix-x

(defthm closure->name$inline-of-closure-fix-x
  (equal (closure->name$inline (closure-fix x))
         (closure->name$inline x)))

Theorem: closure->name$inline-closure-equiv-congruence-on-x

(defthm closure->name$inline-closure-equiv-congruence-on-x
  (implies (closure-equiv x x-equiv)
           (equal (closure->name$inline x)
                  (closure->name$inline x-equiv)))
  :rule-classes :congruence)