-- default  lua require can't handle yielding across "require" calls
-- This version is implemented in pure-lua and avoids the problem
-- override the require function for everybody

local orig_ipairs = ipairs
local function ipairs_iterator(st, var)
  var = var + 1
  local val = st[var]
  if val ~= nil then
  return var, st[var]
  end
  end

ipairs = function(t)
  if getmetatable(t) ~= nil then -- t has metatable
    return ipairs_iterator, t, 0
  else
    return orig_ipairs(t)
  end
  end

-- vim: shiftwidth=2 expandtab tabstop=2 cindent syntax=lua