Revision as of 02:00, 10 August 2020 by mh:meta>松(1 revision imported from meta:Module:No_globals: Import template required for Template:Temporary prevention of automatic archiving)
localmt=getmetatable(_G)or{}functionmt.__index(t,k)ifk~='arg'thenerror('Tried to read nil global '..tostring(k),2)endreturnnilendfunctionmt.__newindex(t,k,v)ifk~='arg'thenerror('Tried to write global '..tostring(k),2)endrawset(t,k,v)endsetmetatable(_G,mt)