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It's funny how I never saw lua_next in all my readings of the
reference manual :)  Thank you very much for this concise solution.


On 4/30/07, trepan <> wrote:
const int table = // a positive lua index
for (lua_pushnil(L); lua_next(L, table) != 0; lua_pop(L, 1)) {
  if (lua_isstring(L, -2)) { // key
    if (lua_isstring(L, -1)) { // value
      myMap[lua_tostring(L, -2)] = lua_tostring(L, -1);

Ken Smith wrote:
> I have a function in C++ that is exposed to Lua which takes a table
> argument whose keys and values are all strings.  I'd like to convert
> this into a std::map<std::string, std::string> but am having a hard
> time coming up with a way to iterate over all the key-value pairs
> using the C interface.  Any ideas?
>   Ken Smith

If you're any good at what you do, it'll make you miserable.