| (1) | template <class T, class charT, class traits, class Distance> bool operator== (const istream_iterator<T,charT,traits,Distance>& lhs, const istream_iterator<T,charT,traits,Distance>& rhs); |
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| (2) | template <class T, class charT, class traits, class Distance> bool operator!= (const istream_iterator<T,charT,traits,Distance>& lhs, const istream_iterator<T,charT,traits,Distance>& rhs); |
<iterator> 中重载。true;否则为 false。