1.0.12.13: sequence optimizations: SUBSEQ, part 3

[sbcl.git] / NEWS

diff --git a/NEWS b/NEWS
index 6b6f3cc..1f3ead3 100644 (file)
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+++ b/NEWS
@@ -1,5 +1,12 @@
 ;;;; -*- coding: utf-8; -*-
 changes in sbcl-1.0.13 relative to sbcl-1.0.12:
+  * SB-EXT:NATIVE-NAMESTRING takes a new keyword AS-FILE, forcing
+    unparsing of directory pathnames as files. Analogously,
+    SB-EXT:PARSE-NATIVE-NAMESTRING takes an AS-DIRECTORY, forcing a
+    filename to parse into a directory pathname.
+  * optimization: SUBSEQ is 30-80% faster for strings and vectors
+    whose element-type or simplicity is not fully known at
+    compile-time.
   * bug fix: some sequence functions elided bounds checking when
     SPEED > SAFETY.
   * bug fix: too liberal weakening of union-type checks when SPEED >