gistfile1.txt

#include <emscripten/bind.h>

using namespace emscripten;
using namespace std;


struct Ssss {
    char *c;
    int x;
};


EMSCRIPTEN_BINDINGS(my_value_example) {

    value_struct<Ssss>("Ssss")
            .field("c", &Ssss::c)
            .field("x", &Ssss::x)
            ;

}

//the error:

/Users/aleksander/emscripten/system/include/emscripten/wire.h:41:13: error: static_assert failed "Implicitly binding raw pointers is illegal.  Specify allow_raw_pointer<arg<?>>"
            static_assert(!std::is_pointer<T*>::value, "Implicitly binding raw pointers is illegal.  Specify allow_raw_pointer<arg<?>>");
            ^             ~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/aleksander/emscripten/system/include/emscripten/bind.h:625:17: note: in instantiation of template class 'emscripten::internal::TypeID<char *>' requested here
                TypeID<FieldType>::get(),
                ^
bindings.cpp:49:14: note: in instantiation of function template specialization 'emscripten::value_struct<Ssss>::field<Ssss, char *>' requested here
            .field("c", &Ssss::c)
             ^
In file included from bindings.cpp:1:
/Users/aleksander/emscripten/system/include/emscripten/bind.h:625:34: error: incomplete definition of type 'emscripten::internal::TypeID<char *>'
                TypeID<FieldType>::get(),
                ~~~~~~~~~~~~~~~~~^~
bindings.cpp:49:14: note: in instantiation of function template specialization 'emscripten::value_struct<Ssss>::field<Ssss, char *>' requested here
            .field("c", &Ssss::c)
             ^
2 errors generated.
ERROR    emcc: compiler frontend failed to generate LLVM bitcode, halting



//when I add allow_raw_pointers()




struct Ssss {
    char *c;
    int x;
};


EMSCRIPTEN_BINDINGS(my_value_example) {

    value_struct<Ssss>("Ssss")
            .field("c", &Ssss::c, allow_raw_pointers())
            .field("x", &Ssss::x)
            ;

}




// error: 

/Users/aleksander/emscripten/system/include/emscripten/bind.h:650:33: error: implicit instantiation of undefined template 'emscripten::internal::GetterPolicy<char *Ssss::*>'
                TypeID<typename GP::ReturnType>::get(),
                                ^
bindings.cpp:49:14: note: in instantiation of function template specialization 'emscripten::value_struct<Ssss>::field<char *Ssss::*, emscripten::allow_raw_pointers>' requested here
            .field("c", &Ssss::c, allow_raw_pointers())
             ^
/Users/aleksander/emscripten/system/include/emscripten/bind.h:426:16: note: template is declared here
        struct GetterPolicy;
               ^
1 error generated.
ERROR    emcc: compiler frontend failed to generate LLVM bitcode, halting

Have you solved this problem?
I found this: https://gist.github.com/AlexPerrot/5d8a3aa0eacf7f3de5478ec1164c834e

no idea bro it was for a job interview 9 years ago