(values (not res) t)
(values nil nil))))
(satisfies
- ;; KLUDGE: This stuff might well blow up if we tried to execute it
- ;; when cross-compiling. But since for the foreseeable future the
- ;; only code we'll try to cross-compile is SBCL itself, and SBCL is
- ;; built without using SATISFIES types, it's arguably not important
- ;; to worry about this. -- WHN 19990210.
- (let ((fun (second hairy-spec)))
- (cond ((and (consp fun)
- (eq (car fun) 'lambda))
- (values (not (null (funcall (coerce fun 'function) obj)))
- t))
- ((and (symbolp fun) (fboundp fun))
- (values (not (null (funcall fun obj))) t))
- (t
- (values nil nil))))))))))
+ (let ((predicate-name (second hairy-spec)))
+ (declare (type symbol predicate-name)) ; by ANSI spec of SATISFIES
+ (if (fboundp predicate-name)
+ (values (not (null (funcall predicate-name obj))) t)
+ (values nil nil)))))))))
\f
-;;; LAYOUT-OF -- Exported
-;;;
-;;; Return the layout for an object. This is the basic operation for
-;;; finding out the "type" of an object, and is used for generic function
-;;; dispatch. The standard doesn't seem to say as much as it should about what
-;;; this returns for built-in objects. For example, it seems that we must
-;;; return NULL rather than LIST when X is NIL so that GF's can specialize on
-;;; NULL.
+;;; Return the layout for an object. This is the basic operation for
+;;; finding out the "type" of an object, and is used for generic
+;;; function dispatch. The standard doesn't seem to say as much as it
+;;; should about what this returns for built-in objects. For example,
+;;; it seems that we must return NULL rather than LIST when X is NIL
+;;; so that GF's can specialize on NULL.
#!-sb-fluid (declaim (inline layout-of))
(defun layout-of (x)
(declare (optimize (speed 3) (safety 0)))
(when *type-system-initialized*
(dolist (sym '(values-specifier-type-cache-clear
values-type-union-cache-clear
- type-union-cache-clear
+ type-union2-cache-clear
values-subtypep-cache-clear
csubtypep-cache-clear
type-intersection2-cache-clear