evellon@ithildin $ g++ -o main main.cppcodice:#include <iostream> #include <cstdlib> using namespace std; template <typename T> string to_string(const T& x) { std::ostringstream os; os << x; return os.str(); } int main() { int n; string c; n = 2; c = to_string(2); cout << c; exit(1); }
main.cpp: In function `std::string to_string(const T&) [with T = int]':
main.cpp:17: instantiated from here
main.cpp:8: error: `os' has incomplete type
main.cpp:8: error: storage size of `os' isn't known
da quanto ho capito mi chiede di specificare la dimensione di os, ma cercando in google non ho trovato degli esempi