Ruby as parallel assignments, which can be used in the Blowfish driver.

/Daniel

--- crypt.orig/blowfish.rb  2007-02-09 07:46:52.000000000 +0100
+++ crypt/blowfish.rb   2007-02-07 08:21:09.000000000 +0100
@@ -69,9 +69,9 @@
     0.upto(15) { |i|
         xl = (xl ^ @pArray[i]) % ULONG
         xr = (xr ^ f(xl)) % ULONG
-        xl, xr = [xl, xr].reverse
+        xl, xr = xr, xl
     }
-    xl, xr = [xl, xr].reverse
+    xl, xr = xr, xl
     xr = (xr ^ @pArray[16]) % ULONG
     xl = (xl ^ @pArray[17]) % ULONG
     return([xl, xr])
@@ -82,9 +82,9 @@
     17.downto(2) { |i|
         xl = (xl ^ @pArray[i]) % ULONG
         xr = (xr ^ f(xl)) % ULONG
-        xl, xr = [xl, xr].reverse
+        xl, xr = xr, xl
     }
-    xl, xr = [xl, xr].reverse
+    xl, xr = xr, xl
     xr = (xr ^ @pArray[1]) % ULONG
     xl = (xl ^ @pArray[0]) % ULONG
     return([xl, xr])