#Unicode conversion: UTF-8 to UTF-32 in C++11

utf8-utf32.cpp

#include <codecvt>

using namespace std;

#if _MSC_VER >= 1900
    wstring_convert<codecvt_utf8<int32_t>, int32_t> utf32conv;
    auto utf32 = utf32conv.from_bytes("The quick brown fox jumped over the lazy dog.");
    // use reinterpret_cast<const char32_t *>(utf32.c_str())
#else
    wstring_convert<codecvt_utf8<char32_t>, char32_t> utf32conv;
    auto utf32 = utf32conv.from_bytes("The quick brown fox jumped over the lazy dog.");
    // use utf32.c_str()
#endif