# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1624845405 -7200
# Node ID d77d8fba44ad7a12a19035a67338a8617619fdb9
# Parent  cd11d7c4af8bbdd3f311a399f0a2b62ae2665441
util.bit53: Add left- and right shift operations

While not used by anything in Prosody, it is known to be used by some
3rd party modules.

diff -r cd11d7c4af8b -r d77d8fba44ad util/bit53.lua
--- a/util/bit53.lua	Fri Mar 04 15:28:44 2022 +0000
+++ b/util/bit53.lua	Mon Jun 28 03:56:45 2021 +0200
@@ -3,5 +3,7 @@
 	band   = function (a, b) return a & b end;
 	bor    = function (a, b) return a | b end;
 	bxor   = function (a, b) return a ~ b end;
+	rshift = function (a, n) return a >> n end;
+	lshift = function (a, n) return a << n end;
 };