0.7.13.21:

[sbcl.git] / src / code / deftypes-for-target.lisp

diff --git a/src/code/deftypes-for-target.lisp b/src/code/deftypes-for-target.lisp
index c153a2e..2d65b2f 100644 (file)
--- a/src/code/deftypes-for-target.lisp
+++ b/src/code/deftypes-for-target.lisp
@@ -140,12 +140,20 @@
 ;;; the :END arg to a sequence
 (sb!xc:deftype sequence-end () '(or null index))
 
+;;; the :COUNT arg to a sequence
+(sb!xc:deftype sequence-count ()
+  `(or null integer))
+
 ;;; a valid argument to a stream function
 ;;;
 ;;; FIXME: should probably be STREAM-DESIGNATOR, after the term
 ;;; used in the ANSI spec (if this is in fact exactly the same thing)
 (sb!xc:deftype streamlike () '(or stream (member nil t)))
 
+;;; an object suitable for input to standard functions that accept
+;;; "environment objects" (of the ANSI glossary)
+(sb!xc:deftype lexenv-designator () '(or lexenv null))
+
 ;;; a thing that can be passed to FUNCALL & friends
 ;;;
 ;;; FIXME: should be FUNCTION-DESIGNATOR?