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On 31 August 2011 14:21, Luiz Henrique de Figueiredo
<> wrote:
>> But how do you validate, say, an index you give to a C function that
>> queries the Lua stack?
> Use lua_type. The manual says that it returns LUA_TNONE for a non-valid index.
Only a non valid acceptable index, a non valid non acceptable index is
undefined and there is no way to determine if an index is non valid
non acceptable.