From cbafc49e8acf71bf39c0db9d32c393437b3e20db Mon Sep 17 00:00:00 2001
From: rxi <rxi@users.noreply.github.com>
Date: Wed, 12 Mar 2014 21:12:16 +0000
Subject: [PATCH] Added "unsupported type" error to lume.serialize()

The unsupported type error is raised if an unsupported type is
encountered in the table we are trying to serialize.
---
 lume.lua | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lume.lua b/lume.lua
index b06980d..d13f03d 100644
--- a/lume.lua
+++ b/lume.lua
@@ -245,6 +245,8 @@ function lume.serialize(x)
     end
     return "{" .. table.concat(rtn) .. "}"
   end
+  local err = function(t,k) error("unsupported serialize type: " .. k) end
+  setmetatable(f, { __index = err })
   return f[type(x)](x)
 end