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Unicode-input-char

Unicode-input-char->unicode

Get the unicode field from a unicode-input-char.

Signature
(unicode-input-char->unicode x) → unicode
Arguments: x — Guard (unicode-input-char-p x).
Returns: unicode — Type (unicodep unicode).

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

Definitions and Theorems

Function: unicode-input-char->unicode$inline

(defun unicode-input-char->unicode$inline (x)
  (declare (xargs :guard (unicode-input-char-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'unicode-input-char->unicode))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (unicode-fix (std::da-nth 0 (cdr x))))
         :exec (std::da-nth 0 (cdr x)))))

Theorem: unicodep-of-unicode-input-char->unicode

(defthm unicodep-of-unicode-input-char->unicode
  (b* ((unicode (unicode-input-char->unicode$inline x)))
    (unicodep unicode))
  :rule-classes :rewrite)

Theorem: unicode-input-char->unicode$inline-of-unicode-input-char-fix-x

(defthm
     unicode-input-char->unicode$inline-of-unicode-input-char-fix-x
 (equal
     (unicode-input-char->unicode$inline (unicode-input-char-fix x))
     (unicode-input-char->unicode$inline x)))

Theorem: unicode-input-char->unicode$inline-unicode-input-char-equiv-congruence-on-x

(defthm
 unicode-input-char->unicode$inline-unicode-input-char-equiv-congruence-on-x
 (implies (unicode-input-char-equiv x x-equiv)
          (equal (unicode-input-char->unicode$inline x)
                 (unicode-input-char->unicode$inline x-equiv)))
 :rule-classes :congruence)