| (1) | bool operator== (const type_index& rhs) const noexcept; |
|---|---|
| (2) | bool operator!= (const type_index& rhs) const noexcept; |
| (3) | bool operator< (const type_index& rhs) const noexcept; |
| (4) | bool operator<= (const type_index& rhs) const noexcept; |
| (5) | bool operator> (const type_index& rhs) const noexcept; |
| (6) | bool operator>= (const type_index& rhs) const noexcept; |
== 和 !=),该函数直接在其引用的 type_info 对象上使用相同的运算符(参见 type_info::operator==)。true。false。