mynothrow_t
extern const mynothrow_t mynothrow;
extern void* operator new(size_t size, const mynothrow_t &) _NOEXCEPT;
extern void* operator new[](size_t size, const mynothrow_t &) _NOEXCEPT;
operator new(size_t size, const mynothrow_t &) _NOEXCEPT
operator new[](size_t size, const mynothrow_t &) _NOEXCEPT
const mynothrow_t mynothrow = {};