0.6.11.32:

[sbcl.git] / src / compiler / sset.lisp

diff --git a/src/compiler/sset.lisp b/src/compiler/sset.lisp
index d3a2739..2b1b290 100644 (file)
--- a/src/compiler/sset.lisp
+++ b/src/compiler/sset.lisp
@@ -15,18 +15,15 @@
 
 (in-package "SB!C")
 
-(file-comment
-  "$Header$")
-
 ;;; Each structure that may be placed in a SSet must include the
 ;;; SSet-Element structure. We allow an initial value of NIL to mean
 ;;; that no ordering has been assigned yet (although an ordering must
 ;;; be assigned before doing set operations.)
-(defstruct (sset-element (:constructor nil))
+(defstruct (sset-element (:constructor nil)
+                        (:copier nil))
   (number nil :type (or index null)))
 
-(defstruct (sset (:constructor make-sset ())
-                (:copier nil))
+(defstruct (sset (:constructor make-sset ()))
   (elements (list nil) :type list))
 (defprinter (sset)
   (elements :prin1 (cdr elements)))
@@ -84,8 +81,8 @@
     (setf (sset-elements res) (copy-list (sset-elements set)))
     res))
 
-;;; Perform the appropriate set operation on Set1 and Set2 by destructively
-;;; modifying Set1. We return true if Set1 was modified, false otherwise.
+;;; Perform the appropriate set operation on SET1 and SET2 by destructively
+;;; modifying SET1. We return true if SET1 was modified, false otherwise.
 (declaim (ftype (function (sset sset) boolean) sset-union sset-intersection
                sset-difference))
 (defun sset-union (set1 set2)