for k, v in pairs(my_table) do
    myfunction( v )
end

function values(t)
  local k, v
  return function()
    k, v = next(t, k)
    return v
  end
end

local t = {"asdf", "sdfg", "dfgh"}

for i=1, #t do
    print(t[i])
end

local t = {"asdf", "sdfg", "dfgh"}

for _,v in pairs(t) do
    print(v)
end

local t = {["asdf"] = 1, ["sdfg"] = 2, ["dfgh"] = 3}

function values(tbl)
    local key = nil
    return function()
            key = next(tbl, key)
            return tbl[key]
           end
end


for value in values(t) do
    print(value)
end