# HG changeset patch
# User Chris Cannam
# Date 1383574686 0
# Node ID d32edf4ac35d395ea6f2339002052e722eac6528
# Parent  3637d758d66d40fac997140b62037604cda72fcc
Concurrent hash

diff -r 3637d758d66d -r d32edf4ac35d src/may/stream/manipulate.yeti
--- a/src/may/stream/manipulate.yeti	Sun Nov 03 10:30:01 2013 +0000
+++ b/src/may/stream/manipulate.yeti	Mon Nov 04 14:18:06 2013 +0000
@@ -233,7 +233,7 @@
 // (so maybe name is misleading?)
     array if copies < 2 then map \s [1..copies];
     else
-        pos = [:];
+        pos = concurrentHash ();
         lowtide () = head (sort (map (at pos) (keys pos)));
         var hightide = 0;
         var cache = mat.zeroSizeMatrix ();