def_ OF_ def_ (of elseif _value ==)
def_ case(x) do OF_ local _value = x if false then _END_END_
function test(n)
local res
case(n)
of 10 then
res = 1
of 20 then
res = 2
else
res = 3
end
return res
end
assert(test(10)==1)
assert(test(20)==2)
assert(test(30)==3)