Module:No globals: Difference between revisions

    From Nonbinary Wiki
    m (5 revisions imported from w:en:Module:No_globals)
    (Blanked the page)
    Line 1: Line 1:
    local mt = getmetatable(_G) or {}
     
    function mt.__index (t, k)
    if k ~= 'arg' then
    error('Tried to read nil global ' .. tostring(k), 2)
    end
    return nil
    end
    function mt.__newindex(t, k, v)
    if k ~= 'arg' then
    error('Tried to write global ' .. tostring(k), 2)
    end
    rawset(t, k, v)
    end
    setmetatable(_G, mt)

    Revision as of 03:41, 1 March 2017

    Documentation for this module may be created at Module:No globals/doc