0.9.10.13:

[sbcl.git] / src / pcl / cache.lisp

diff --git a/src/pcl/cache.lisp b/src/pcl/cache.lisp
index 5b19884..34c148f 100644 (file)
--- a/src/pcl/cache.lisp
+++ b/src/pcl/cache.lisp
@@ -25,6 +25,13 @@
 
 (in-package "SB-PCL")
 \f
+;;; Ye olde CMUCL comment follows, but it seems likely that the paper
+;;; that would be inserted would resemble Kiczales and Rodruigez,
+;;; Efficient Method Dispatch in PCL, ACM 1990.  Some of the details
+;;; changed between that paper and "May Day PCL" of 1992; some other
+;;; details have changed since, but reading that paper gives the broad
+;;; idea.
+;;;
 ;;; The caching algorithm implemented:
 ;;;
 ;;; << put a paper here >>
@@ -557,7 +564,6 @@
 ;;;  STRUCTURE-CLASS  seen only structure classes
 (defun raise-metatype (metatype new-specializer)
   (let ((slot      (find-class 'slot-class))
-        (std       (find-class 'std-class))
         (standard  (find-class 'standard-class))
         (fsc       (find-class 'funcallable-standard-class))
         (condition (find-class 'condition-class))
@@ -570,7 +576,6 @@
                          (class-of x))))
                (cond
                  ((eq x *the-class-t*) t)
-                 ((*subtypep meta-specializer std) 'standard-instance)
                  ((*subtypep meta-specializer standard) 'standard-instance)
                  ((*subtypep meta-specializer fsc) 'standard-instance)
                  ((*subtypep meta-specializer condition) 'condition-instance)