pipeline function in Lua

pipe.lua

function pipe(data, ...)
  local n = select("#", ...)
  if n == 0 then
    return data
  else
    local funs = {...}
    local f = table.remove(funs, 1)
    return pipe(f(data), unpack(funs))
  end
end

local res = pipe(
  "hej",
  function(x) return x .. " 1 " end,
  function(x) return x .. " 2 " end
)
print(res)