type_index(const type_info& rhs) noexcept;
bool operator==(const type_index& rhs) const noexcept;
bool operator!=(const type_index& rhs) const noexcept;
bool operator<(const type_index& rhs) const noexcept;
bool operator<=(const type_index& rhs) const noexcept;
bool operator>(const type_index& rhs) const noexcept;
bool operator>=(const type_index& rhs) const noexcept;
size_t hash_code() const noexcept;
const char* name() const noexcept;