class std::set<char, struct std::less<char>, class std::allocator<char> > & __cdecl operator&=(class std::set<char, struct std::less<char>, class std::allocator<char> > &, class std::set<char, struct std::less<char>, class std::allocator<char> > const &)

Mangled name

??_4@YAAAV?$set@DU?$less@D@std@@V?$allocator@D@2@@std@@AAV01@ABV01@@Z

Exported by

size	filename	version
3484368	libpolar.dll