util.*: Remove use of module() function, make all module functions local and return them in a table at the end

1 files changed, 9 insertions, 5 deletions

diff --git a/util/serialization.lua b/util/serialization.lua
index 04901135..206f5fbb 100644
--- a/util/serialization.lua
+++ b/util/serialization.lua
@@ -20,7 +20,7 @@ local debug_traceback = debug.traceback;
 local log = require "util.logger".init("serialization");
 local envload = require"util.envload".envload;
 
-module "serialization"
+local _ENV = nil;
 
 local indent = function(i)
 	return string_rep("\t", i);
@@ -71,16 +71,16 @@ local function _simplesave(o, ind, t, func)
 	end
 end
 
-function append(t, o)
+local function append(t, o)
 	_simplesave(o, 1, t, t.write or t_insert);
 	return t;
 end
 
-function serialize(o)
+local function serialize(o)
 	return t_concat(append({}, o));
 end
 
-function deserialize(str)
+local function deserialize(str)
 	if type(str) ~= "string" then return nil; end
 	str = "return "..str;
 	local f, err = envload(str, "@data", {});
@@ -90,4 +90,8 @@ function deserialize(str)
 	return ret;
 end
 
-return _M;
+return {
+	append = append;
+	serialize = serialize;
+	deserialize = deserialize;
+};