ljs: tests/pass/upvalue.lua

local u;
local f = {};
for i=1,2 do
	f[i] = function (set)
		if set then
			u = set;
		end
		return u;
	end;
end
 
assert(f[1]("foo") == "foo");
assert(f[2]() == "foo");
 
assert(f[2]("bar") == "bar");
assert(f[1]() == "bar");

1	local u;
2	local f = {};
3	for i=1,2 do
4	f[i] = function (set)
5	if set then
6	u = set;
7	end
8	return u;
9	end;
10	end
11
12	assert(f[1]("foo") == "foo");
13	assert(f[2]() == "foo");
14
15	assert(f[2]("bar") == "bar");
16	assert(f[1]() == "bar");