constexpr (C++11)

constexprtest.cpp

#include <iostream>
#include <string>

using namespace std;

struct ConstexprTest
{
    static bool        const s_bool    = true ;
    static int         const s_int     = 42   ;

#ifdef USING_CONSTEXPR
    static constexpr const char* const s_charPtr = "abc";
#else
    static const char* const s_charPtr;
#endif // USING_CONSTEXPR

    static string      const s_string ;
};

#ifndef USING_CONSTEXPR
const char* const ConstexprTest::s_charPtr = "abc";
#endif // USING_CONSTEXPR

string const      ConstexprTest::s_string  = "xyz";

int
main(int argc, char **argv)
{
    cout << "s_bool    = " << ConstexprTest::s_bool    << endl;
    cout << "s_int     = " << ConstexprTest::s_int     << endl;
    cout << "s_charptr = " << ConstexprTest::s_charPtr << endl;
    cout << "s_string  = " << ConstexprTest::s_string  << endl;
    return 0;
}