#ifndef _GLIBCXX_MAP #define _GLIBCXX_MAP struct basic_string { basic_string(char *); } typedef string; template class D; template struct D { _Elements _M_; D(D &) = default; }; template D<_Elements &&> forward_as_tuple(_Elements); template struct map { _Tp operator[](_Key p1) { auto b = &forward_as_tuple(p1); } }; #endif