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Ident

Ident->name

Get the name field from a ident.

Signature
(ident->name x) → name
Arguments: x — Guard (identp x).
Returns: name — Type (stringp name).

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

Definitions and Theorems

Function: ident->name$inline

(defun ident->name$inline (x)
  (declare (xargs :guard (identp x)))
  (declare (xargs :guard t))
  (mbe :logic
       (b* ((x (and t x)))
         (str-fix (cdr (std::da-nth 0 (cdr x)))))
       :exec (cdr (std::da-nth 0 (cdr x)))))

Theorem: stringp-of-ident->name

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

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

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

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

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