# HG changeset patch
# User Chris Cannam
# Date 1383474601 0
# Node ID 3637d758d66d40fac997140b62037604cda72fcc
# Parent  b0323cf10a45f15ac18b6d1de2ffb6c169bbe161
Concurrent hash

diff -r b0323cf10a45 -r 3637d758d66d src/may/signal/window.yeti
--- a/src/may/signal/window.yeti	Sat Nov 02 15:56:23 2013 +0000
+++ b/src/may/signal/window.yeti	Sun Nov 03 10:30:01 2013 +0000
@@ -124,7 +124,7 @@
        (half ++
             if even then reverse half else drop 1 (reverse half) fi));
 
-kaisers = [:];
+kaisers = concurrentHash ();
 
 kaiser params =
    (if not (params in kaisers)