prosody
9918b4b0cd58
util/import.lua

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util/import.lua @ 10592:9918b4b0cd58

util.array: Fix equality metamethod in Lua 5.3 Lua 5.2 only used the __eq metamethod if both operands have the same __eq, but Lua 5.3 will pick one from either operands that has one as long as both are tables. This results in array() == {} and all sorts of odd behavior, including array() == util.json.null. <MattJ> I think [array() == {}] should have the same semantics as {} == {}
author Kim Alvefur <zash@zash.se>
date Wed, 15 Jan 2020 21:08:01 +0100
parent 9692:affcbccc1dff
child 12589:39ae08180c81
line wrap: on
line source

-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--



local unpack = table.unpack or unpack; --luacheck: ignore 113
local t_insert = table.insert;
function _G.import(module, ...)
	local m = package.loaded[module] or require(module);
	if type(m) == "table" and ... then
		local ret = {};
		for _, f in ipairs{...} do
			t_insert(ret, m[f]);
		end
		return unpack(ret);
	end
	return m;
end