circle lexertl seg fault1

#include "../lexertl14/include/lexertl/generator.hpp"
#include <ostream>

void lex()
{
    @meta lexertl::rules rules;
    @meta lexertl::state_machine temp_sm;

    @meta rules.push("[a-z]+", 1);
    @meta rules.push("[0-9]+", 2);
    @meta rules.push(".", rules.skip());
    @meta lexertl::generator::build(rules, sm);

    lexertl::state_machine sm { @pack_nontype(temp_sm._internals._eoi)... };

    for (auto i : sm._internals.eoi)
    {
        std:: cout << i << '\n';
    }
}

int main(int argc, char** argv)
{
    lex();
}