Variable: comp-primitive-type-specifiers
comp-primitive-type-specifiers is a variable defined in
comp-common.el.gz.
Value
Large value
((% (function ((or number marker) (or number marker)) number))
(* (function (&rest (or number marker)) number))
(+ (function (&rest (or number marker)) number))
(- (function (&rest (or number marker)) number))
(/ (function ((or number marker) &rest (or number marker)) number))
(/= (function ((or number marker) (or number marker)) boolean))
(1+ (function ((or number marker)) number))
(1- (function ((or number marker)) number))
(< (function ((or number marker) &rest (or number marker)) boolean))
(<= (function ((or number marker) &rest (or number marker)) boolean))
(= (function ((or number marker) &rest (or number marker)) boolean))
(> (function ((or number marker) &rest (or number marker)) boolean))
(>= (function ((or number marker) &rest (or number marker)) boolean))
(abs (function (number) number)) (acos (function (number) float))
(append (function (&rest t) t)) (aref (function (t fixnum) t))
(arrayp (function (t) boolean))
(ash (function (integer integer) integer))
(asin (function (number) float)) (assq (function (t list) list))
(atan (function (number &optional number) float))
(atom (function (t) boolean)) (bobp (function nil boolean))
(bolp (function nil boolean))
(bool-vector-count-consecutive
(function (bool-vector boolean integer) fixnum))
(bool-vector-count-population (function (bool-vector) fixnum))
(bool-vector-not
(function (bool-vector &optional bool-vector) bool-vector))
(bool-vector-p (function (t) boolean))
(bool-vector-subsetp (function (bool-vector bool-vector) boolean))
(boundp (function (symbol) boolean))
(buffer-file-name (function (&optional buffer) (or string null)))
(buffer-list (function (&optional frame) list))
(buffer-local-variables (function (&optional buffer) list))
(buffer-modified-p
(function (&optional buffer) (or boolean (member autosaved))))
(buffer-size (function (&optional buffer) integer))
(buffer-string (function nil string))
(buffer-substring
(function ((or integer marker) (or integer marker)) string))
(bufferp (function (t) boolean)) (closurep (function (t) boolean))
(byte-code-function-p (function (t) boolean))
(interpreted-function-p (function (t) boolean))
(capitalize (function ((or integer string)) (or integer string)))
(car (function (list) t))
(car-less-than-car (function (list list) boolean))
(car-safe (function (t) t)) (case-table-p (function (t) boolean))
(cdr (function (list) t)) (cdr-safe (function (t) t))
(ceiling (function (number &optional number) integer))
(char-after
(function (&optional (or marker integer)) (or fixnum null)))
(char-before
(function (&optional (or marker integer)) (or fixnum null)))
(char-equal (function (integer integer) boolean))
(char-or-string-p (function (t) boolean))
(char-to-string (function (fixnum) string))
(char-width (function (fixnum) fixnum))
(characterp (function (t &optional t) boolean))
(charsetp (function (t) boolean))
(commandp (function (t &optional t) boolean))
(compare-strings
(function
(string (or integer marker null) (or integer marker null) string
(or integer marker null) (or integer marker null) &optional
t)
(or (member t) fixnum)))
(concat (function (&rest sequence) string))
(cons (function (t t) cons)) (consp (function (t) boolean))
(coordinates-in-window-p
(function (cons window)
(or cons null
(member bottom-divider right-divider mode-line
header-line tab-line left-fringe right-fringe
vertical-line left-margin right-margin))))
(copy-alist (function (list) list))
(copy-marker
(function (&optional (or integer marker) boolean) marker))
(copy-sequence (function (sequence) sequence))
(copysign (function (float float) float))
(cos (function (number) float))
(current-buffer (function nil buffer))
(current-global-map (function nil cons))
(current-indentation (function nil integer))
(current-local-map (function nil (or cons null)))
(current-minor-mode-maps (function nil (or cons null)))
(current-time (function nil cons))
(current-time-string
(function
(&optional (or number list) (or symbol string cons integer)) string))
(current-time-zone
(function
(&optional (or number list) (or symbol string cons integer)) cons))
(decode-char (function (cons t) (or fixnum null)))
(decode-time
(function
(&optional (or number list) (or symbol string cons integer) symbol)
cons))
(default-boundp (function (symbol) boolean))
(default-value (function (symbol) t))
(documentation
(function ((or function symbol subr) &optional t) (or null string)))
(downcase (function ((or fixnum string)) (or fixnum string)))
(elt (function (sequence integer) t))
(encode-char (function (fixnum symbol) (or fixnum null)))
(encode-time (function (cons &rest t) cons))
(eobp (function nil boolean)) (eolp (function nil boolean))
(eq (function (t t) boolean)) (eql (function (t t) boolean))
(equal (function (t t) boolean))
(error-message-string (function (list) string))
(exp (function (number) float))
(expt (function (number number) number))
(fboundp (function (symbol) boolean))
(fceiling (function (float) float))
(featurep (function (symbol &optional symbol) boolean))
(ffloor (function (float) float))
(file-directory-p (function (string) boolean))
(file-exists-p (function (string) boolean))
(file-locked-p (function (string) (or boolean string)))
(file-name-absolute-p (function (string) boolean))
(file-newer-than-file-p (function (string string) boolean))
(file-readable-p (function (string) boolean))
(file-symlink-p (function (string) (or boolean string)))
(file-writable-p (function (string) boolean))
(float (function (number) float))
(float-time (function (&optional (or number list)) float))
(floatp (function (t) boolean))
(floor (function (number &optional number) integer))
(following-char (function nil fixnum))
(format (function (string &rest t) string))
(format-time-string
(function
(string &optional (or number list) (or symbol string cons integer))
string))
(frame-first-window (function ((or frame window)) window))
(frame-root-window (function (&optional (or frame window)) window))
(frame-selected-window
(function (&optional (or frame window)) window))
(frame-visible-p (function (frame) (or boolean (member icon))))
(framep (function (t) symbol)) (fround (function (float) float))
(ftruncate (function (float) float))
(get (function (symbol symbol) t))
(get-buffer (function ((or buffer string)) (or buffer null)))
(get-buffer-window
(function (&optional (or buffer string) (or symbol (integer 0 0)))
(or null window)))
(get-file-buffer (function (string) (or null buffer)))
(gethash (function (t hash-table &optional t) t))
(hash-table-count (function (hash-table) integer))
(hash-table-p (function (t) boolean)) (identity (function (t) t))
(integer-or-marker-p (function (t) boolean))
(integerp (function (t) boolean))
(intern-soft
(function ((or string symbol) &optional (or obarray vector)) symbol))
(invocation-directory (function nil string))
(invocation-name (function nil string))
(isnan (function (float) boolean))
(keymap-parent (function (cons) (or cons null)))
(keymapp (function (t) boolean)) (keywordp (function (t) boolean))
(ldexp (function (number integer) float))
(length (function (t) (integer 0 *)))
(length< (function (sequence fixnum) boolean))
(length= (function (sequence fixnum) boolean))
(length> (function (sequence fixnum) boolean))
(line-beginning-position (function (&optional integer) integer))
(line-end-position (function (&optional integer) integer))
(list (function (&rest t) list)) (listp (function (t) boolean))
(local-variable-if-set-p (function (symbol &optional buffer) boolean))
(local-variable-p (function (symbol &optional buffer) boolean))
(locale-info
(function ((member codeset days months paper)) (or null string)))
(log (function (number number) float))
(logand (function (&rest (or integer marker)) integer))
(logb (function (number) integer))
(logcount (function (integer) integer))
(logior (function (&rest (or integer marker)) integer))
(lognot (function (integer) integer))
(logxor (function (&rest (or integer marker)) integer))
(make-byte-code
(function
((or fixnum list) string vector integer &optional string t &rest t)
vector))
(make-list (function (integer t) list))
(make-marker (function nil marker))
(make-string (function (integer fixnum &optional t) string))
(make-symbol (function (string) symbol))
(mark-marker (function nil marker))
(marker-buffer (function (marker) (or buffer null)))
(markerp (function (t) boolean))
(max (function ((or number marker) &rest (or number marker)) number))
(max-char (function (&optional t) fixnum))
(member (function (t list) list)) (memq (function (t list) list))
(memql (function (t list) list))
(message (function (string &rest t) string))
(min (function ((or number marker) &rest (or number marker)) number))
(minibuffer-selected-window (function nil (or window null)))
(minibuffer-window (function (&optional frame) window))
(mod
(function ((or number marker) (or number marker))
(or (integer 0 *) (float 0 *))))
(multibyte-char-to-unibyte (function (fixnum) fixnum))
(natnump (function (t) boolean))
(next-window (function (&optional window t t) window))
(nlistp (function (t) boolean)) (not (function (t) boolean))
(nth (function (integer list) t)) (nthcdr (function (integer t) t))
(null (function (t) boolean))
(number-or-marker-p (function (t) boolean))
(number-to-string (function (number) string))
(numberp (function (t) boolean)) (overlayp (function (t) boolean))
(plist-get (function (list t &optional t) t))
(plist-member (function (list t &optional t) list))
(point (function nil integer)) (point-marker (function nil marker))
(point-max (function nil integer)) (point-min (function nil integer))
(preceding-char (function nil fixnum))
(previous-window (function (&optional window t t) window))
(prin1-to-string (function (t &optional t t) string))
(processp (function (t) boolean))
(proper-list-p (function (t) (or fixnum null)))
(propertize (function (string &rest t) string))
(rassoc (function (t list) list)) (rassq (function (t list) list))
(read-from-string (function (string &optional integer integer) cons))
(recent-keys (function (&optional (or cons null)) vector))
(recursion-depth (function nil integer))
(regexp-quote (function (string) string))
(region-beginning (function nil integer))
(region-end (function nil integer))
(reverse (function (sequence) sequence))
(round (function (number &optional number) integer))
(safe-length (function (t) integer))
(selected-frame (function nil frame))
(selected-window (function nil window))
(sequencep (function (t) boolean)) (sin (function (number) float))
(sqrt (function (number) float))
(standard-case-table (function nil char-table))
(standard-syntax-table (function nil char-table))
(string (function (&rest fixnum) string))
(string-as-multibyte (function (string) string))
(string-as-unibyte (function (string) string))
(string-equal
(function ((or string symbol) (or string symbol)) boolean))
(string-lessp
(function ((or string symbol) (or string symbol)) boolean))
(string-make-multibyte (function (string) string))
(string-make-unibyte (function (string) string))
(string-search
(function (string string &optional integer) (or integer null)))
(string-to-char (function (string) fixnum))
(string-to-multibyte (function (string) string))
(string-to-number (function (string &optional integer) number))
(string-to-syntax (function (string) (or cons null)))
(string< (function ((or string symbol) (or string symbol)) boolean))
(string= (function ((or string symbol) (or string symbol)) boolean))
(stringp (function (t) boolean)) (subrp (function (t) boolean))
(substring
(function ((or string vector) &optional integer integer)
(or string vector)))
(sxhash (function (t) integer)) (sxhash-eq (function (t) integer))
(sxhash-eql (function (t) integer))
(sxhash-equal (function (t) integer))
(symbol-function (function (symbol) t))
(symbol-name (function (symbol) string))
(symbol-plist (function (symbol) list))
(symbol-value (function (symbol) t)) (symbolp (function (t) boolean))
(syntax-table (function nil char-table))
(syntax-table-p (function (t) boolean))
(tan (function (number) float))
(this-command-keys (function nil string))
(this-command-keys-vector (function nil vector))
(this-single-command-keys (function nil vector))
(this-single-command-raw-keys (function nil vector))
(time-convert
(function ((or number list) &optional (or symbol integer))
(or cons number)))
(truncate (function (number &optional number) integer))
(type-of (function (t) symbol))
(unibyte-char-to-multibyte (function (fixnum) fixnum))
(upcase (function ((or fixnum string)) (or fixnum string)))
(user-full-name (function (&optional integer) (or string null)))
(user-login-name (function (&optional integer) (or string null)))
(user-real-login-name (function nil string))
(user-real-uid (function nil integer))
(user-uid (function nil integer))
(vconcat (function (&rest sequence) vector))
(vector (function (&rest t) vector)) (vectorp (function (t) boolean))
(visible-frame-list (function nil list))
(wholenump (function (t) boolean))
(window-configuration-p (function (t) boolean))
(window-live-p (function (t) boolean))
(window-valid-p (function (t) boolean))
(windowp (function (t) boolean)) (throw (function (t t) nil))
(signal (function (symbol t) nil)))
Documentation
Alist used for type propagation.
Source Code
;; Defined in /usr/src/emacs/lisp/emacs-lisp/comp-common.el.gz
(defconst comp-primitive-type-specifiers
`(
;; Functions we can trust not to be redefined, or, if redefined,
;; to expose the same type. The vast majority of these are
;; either pure or primitive; the original list is the union of
;; pure + side-effect-free-fns + side-effect-and-error-free-fns:
(% (function ((or number marker) (or number marker)) number))
(* (function (&rest (or number marker)) number))
(+ (function (&rest (or number marker)) number))
(- (function (&rest (or number marker)) number))
(/ (function ((or number marker) &rest (or number marker)) number))
(/= (function ((or number marker) (or number marker)) boolean))
(1+ (function ((or number marker)) number))
(1- (function ((or number marker)) number))
(< (function ((or number marker) &rest (or number marker)) boolean))
(<= (function ((or number marker) &rest (or number marker)) boolean))
(= (function ((or number marker) &rest (or number marker)) boolean))
(> (function ((or number marker) &rest (or number marker)) boolean))
(>= (function ((or number marker) &rest (or number marker)) boolean))
(abs (function (number) number))
(acos (function (number) float))
(append (function (&rest t) t))
(aref (function (t fixnum) t))
(arrayp (function (t) boolean))
(ash (function (integer integer) integer))
(asin (function (number) float))
(assq (function (t list) list))
(atan (function (number &optional number) float))
(atom (function (t) boolean))
(bobp (function () boolean))
(bolp (function () boolean))
(bool-vector-count-consecutive
(function (bool-vector boolean integer) fixnum))
(bool-vector-count-population (function (bool-vector) fixnum))
(bool-vector-not (function (bool-vector &optional bool-vector) bool-vector))
(bool-vector-p (function (t) boolean))
(bool-vector-subsetp (function (bool-vector bool-vector) boolean))
(boundp (function (symbol) boolean))
(buffer-file-name (function (&optional buffer) (or string null)))
(buffer-list (function (&optional frame) list))
(buffer-local-variables (function (&optional buffer) list))
(buffer-modified-p
(function (&optional buffer) (or boolean (member autosaved))))
(buffer-size (function (&optional buffer) integer))
(buffer-string (function () string))
(buffer-substring
(function ((or integer marker) (or integer marker)) string))
(bufferp (function (t) boolean))
(closurep (function (t) boolean))
(byte-code-function-p (function (t) boolean))
(interpreted-function-p (function (t) boolean))
(capitalize (function ((or integer string)) (or integer string)))
(car (function (list) t))
(car-less-than-car (function (list list) boolean))
(car-safe (function (t) t))
(case-table-p (function (t) boolean))
(cdr (function (list) t))
(cdr-safe (function (t) t))
(ceiling (function (number &optional number) integer))
(char-after (function (&optional (or marker integer)) (or fixnum null)))
(char-before (function (&optional (or marker integer)) (or fixnum null)))
(char-equal (function (integer integer) boolean))
(char-or-string-p (function (t) boolean))
(char-to-string (function (fixnum) string))
(char-width (function (fixnum) fixnum))
(characterp (function (t &optional t) boolean))
(charsetp (function (t) boolean))
(commandp (function (t &optional t) boolean))
(compare-strings
(function (string (or integer marker null) (or integer marker null) string
(or integer marker null) (or integer marker null)
&optional t)
(or (member t) fixnum)))
(concat (function (&rest sequence) string))
(cons (function (t t) cons))
(consp (function (t) boolean))
(coordinates-in-window-p
(function (cons window)
(or cons null
(member bottom-divider right-divider mode-line header-line
tab-line left-fringe right-fringe vertical-line
left-margin right-margin))))
(copy-alist (function (list) list))
(copy-marker (function (&optional (or integer marker) boolean) marker))
(copy-sequence (function (sequence) sequence))
(copysign (function (float float) float))
(cos (function (number) float))
(current-buffer (function () buffer))
(current-global-map (function () cons))
(current-indentation (function () integer))
(current-local-map (function () (or cons null)))
(current-minor-mode-maps (function () (or cons null)))
(current-time (function () cons))
(current-time-string (function (&optional (or number list)
(or symbol string cons integer))
string))
(current-time-zone (function (&optional (or number list)
(or symbol string cons integer))
cons))
(decode-char (function (cons t) (or fixnum null)))
(decode-time (function (&optional (or number list)
(or symbol string cons integer)
symbol)
cons))
(default-boundp (function (symbol) boolean))
(default-value (function (symbol) t))
(documentation
(function ((or function symbol subr) &optional t) (or null string)))
(downcase (function ((or fixnum string)) (or fixnum string)))
(elt (function (sequence integer) t))
(encode-char (function (fixnum symbol) (or fixnum null)))
(encode-time (function (cons &rest t) cons))
(eobp (function () boolean))
(eolp (function () boolean))
(eq (function (t t) boolean))
(eql (function (t t) boolean))
(equal (function (t t) boolean))
(error-message-string (function (list) string))
(exp (function (number) float))
(expt (function (number number) number))
(fboundp (function (symbol) boolean))
(fceiling (function (float) float))
(featurep (function (symbol &optional symbol) boolean))
(ffloor (function (float) float))
(file-directory-p (function (string) boolean))
(file-exists-p (function (string) boolean))
(file-locked-p (function (string) (or boolean string)))
(file-name-absolute-p (function (string) boolean))
(file-newer-than-file-p (function (string string) boolean))
(file-readable-p (function (string) boolean))
(file-symlink-p (function (string) (or boolean string)))
(file-writable-p (function (string) boolean))
(float (function (number) float))
(float-time (function (&optional (or number list)) float))
(floatp (function (t) boolean))
(floor (function (number &optional number) integer))
(following-char (function () fixnum))
(format (function (string &rest t) string))
(format-time-string (function (string &optional (or number list)
(or symbol string cons integer))
string))
(frame-first-window (function ((or frame window)) window))
(frame-root-window (function (&optional (or frame window)) window))
(frame-selected-window (function (&optional (or frame window)) window))
(frame-visible-p (function (frame) (or boolean (member icon))))
(framep (function (t) symbol))
(fround (function (float) float))
(ftruncate (function (float) float))
(get (function (symbol symbol) t))
(get-buffer (function ((or buffer string)) (or buffer null)))
(get-buffer-window
(function (&optional (or buffer string) (or symbol (integer 0 0)))
(or null window)))
(get-file-buffer (function (string) (or null buffer)))
(gethash (function (t hash-table &optional t) t))
(hash-table-count (function (hash-table) integer))
(hash-table-p (function (t) boolean))
(identity (function (t) t))
(integer-or-marker-p (function (t) boolean))
(integerp (function (t) boolean))
(intern-soft (function ((or string symbol) &optional (or obarray vector))
symbol))
(invocation-directory (function () string))
(invocation-name (function () string))
(isnan (function (float) boolean))
(keymap-parent (function (cons) (or cons null)))
(keymapp (function (t) boolean))
(keywordp (function (t) boolean))
(ldexp (function (number integer) float))
(length (function (t) (integer 0 *)))
(length< (function (sequence fixnum) boolean))
(length= (function (sequence fixnum) boolean))
(length> (function (sequence fixnum) boolean))
(line-beginning-position (function (&optional integer) integer))
(line-end-position (function (&optional integer) integer))
(list (function (&rest t) list))
(listp (function (t) boolean))
(local-variable-if-set-p (function (symbol &optional buffer) boolean))
(local-variable-p (function (symbol &optional buffer) boolean))
(locale-info (function ((member codeset days months paper)) (or null string)))
(log (function (number number) float))
(logand (function (&rest (or integer marker)) integer))
(logb (function (number) integer))
(logcount (function (integer) integer))
(logior (function (&rest (or integer marker)) integer))
(lognot (function (integer) integer))
(logxor (function (&rest (or integer marker)) integer))
;; (lsh (function ((integer ,most-negative-fixnum *) integer) integer)) ?
(make-byte-code
(function ((or fixnum list) string vector integer &optional string t
&rest t)
vector))
(make-list (function (integer t) list))
(make-marker (function () marker))
(make-string (function (integer fixnum &optional t) string))
(make-symbol (function (string) symbol))
(mark-marker (function () marker))
(marker-buffer (function (marker) (or buffer null)))
(markerp (function (t) boolean))
(max (function ((or number marker) &rest (or number marker)) number))
(max-char (function (&optional t) fixnum))
(member (function (t list) list))
(memq (function (t list) list))
(memql (function (t list) list))
(message (function (string &rest t) string))
(min (function ((or number marker) &rest (or number marker)) number))
(minibuffer-selected-window (function () (or window null)))
(minibuffer-window (function (&optional frame) window))
(mod
(function ((or number marker) (or number marker))
(or (integer 0 *) (float 0 *))))
(multibyte-char-to-unibyte (function (fixnum) fixnum))
(natnump (function (t) boolean))
(next-window (function (&optional window t t) window))
(nlistp (function (t) boolean))
(not (function (t) boolean))
(nth (function (integer list) t))
(nthcdr (function (integer t) t))
(null (function (t) boolean))
(number-or-marker-p (function (t) boolean))
(number-to-string (function (number) string))
(numberp (function (t) boolean))
(overlayp (function (t) boolean))
(plist-get (function (list t &optional t) t))
(plist-member (function (list t &optional t) list))
(point (function () integer))
(point-marker (function () marker))
(point-max (function () integer))
(point-min (function () integer))
(preceding-char (function () fixnum))
(previous-window (function (&optional window t t) window))
(prin1-to-string (function (t &optional t t) string))
(processp (function (t) boolean))
(proper-list-p (function (t) (or fixnum null)))
(propertize (function (string &rest t) string))
(rassoc (function (t list) list))
(rassq (function (t list) list))
(read-from-string (function (string &optional integer integer) cons))
(recent-keys (function (&optional (or cons null)) vector))
(recursion-depth (function () integer))
(regexp-quote (function (string) string))
(region-beginning (function () integer))
(region-end (function () integer))
(reverse (function (sequence) sequence))
(round (function (number &optional number) integer))
(safe-length (function (t) integer))
(selected-frame (function () frame))
(selected-window (function () window))
(sequencep (function (t) boolean))
(sin (function (number) float))
(sqrt (function (number) float))
(standard-case-table (function () char-table))
(standard-syntax-table (function () char-table))
(string (function (&rest fixnum) string))
(string-as-multibyte (function (string) string))
(string-as-unibyte (function (string) string))
(string-equal (function ((or string symbol) (or string symbol)) boolean))
(string-lessp (function ((or string symbol) (or string symbol)) boolean))
(string-make-multibyte (function (string) string))
(string-make-unibyte (function (string) string))
(string-search (function (string string &optional integer) (or integer null)))
(string-to-char (function (string) fixnum))
(string-to-multibyte (function (string) string))
(string-to-number (function (string &optional integer) number))
(string-to-syntax (function (string) (or cons null)))
(string< (function ((or string symbol) (or string symbol)) boolean))
(string= (function ((or string symbol) (or string symbol)) boolean))
(stringp (function (t) boolean))
(subrp (function (t) boolean))
(substring
(function ((or string vector) &optional integer integer) (or string vector)))
(sxhash (function (t) integer))
(sxhash-eq (function (t) integer))
(sxhash-eql (function (t) integer))
(sxhash-equal (function (t) integer))
(symbol-function (function (symbol) t))
(symbol-name (function (symbol) string))
(symbol-plist (function (symbol) list))
(symbol-value (function (symbol) t))
(symbolp (function (t) boolean))
(syntax-table (function () char-table))
(syntax-table-p (function (t) boolean))
(tan (function (number) float))
(this-command-keys (function () string))
(this-command-keys-vector (function () vector))
(this-single-command-keys (function () vector))
(this-single-command-raw-keys (function () vector))
(time-convert (function ((or number list) &optional (or symbol integer))
(or cons number)))
(truncate (function (number &optional number) integer))
(type-of (function (t) symbol))
(unibyte-char-to-multibyte (function (fixnum) fixnum)) ;; byte is fixnum
(upcase (function ((or fixnum string)) (or fixnum string)))
(user-full-name (function (&optional integer) (or string null)))
(user-login-name (function (&optional integer) (or string null)))
(user-real-login-name (function () string))
(user-real-uid (function () integer))
(user-uid (function () integer))
(vconcat (function (&rest sequence) vector))
(vector (function (&rest t) vector))
(vectorp (function (t) boolean))
(visible-frame-list (function () list))
(wholenump (function (t) boolean))
(window-configuration-p (function (t) boolean))
(window-live-p (function (t) boolean))
(window-valid-p (function (t) boolean))
(windowp (function (t) boolean))
;; Non returning functions
(throw (function (t t) nil))
(signal (function (symbol t) nil)))
"Alist used for type propagation.")