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Identifier

Identifier->name

Get the name field from a identifier.

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

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

Definitions and Theorems

Function: identifier->name$inline

(defun identifier->name$inline (x)
  (declare (xargs :guard (identifierp x)))
  (declare (xargs :guard t))
  (let ((__function__ 'identifier->name))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x))
              (name (str-fix (cdr (std::da-nth 0 (cdr x))))))
           (if (identifier-string-p name)
               name
             "o"))
         :exec (cdr (std::da-nth 0 (cdr x))))))

Theorem: stringp-of-identifier->name

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

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

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

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

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