use sproto global slot

examples/protoloader.lua

@@ -0,0 +1,13 @@
+-- module proto as examples/proto.lua
+package.path = "./examples/?.lua;" .. package.path
+
+local skynet = require "skynet"
+local sprotoparser = require "sprotoparser"
+local sprotoloader = require "sprotoloader"
+local proto = require "proto"
+
+skynet.start(function()
+	sprotoloader.save(proto.c2s, 1)
+	sprotoloader.save(proto.s2c, 2)
+	-- don't call skynet.exit() , because sproto.core may unload and the global slot become invalid
+end)