std::istream_iterator是一种单趟输入迭代器,通过调用适当的operator>>,从为之创建迭代器的std::basic_istream对象读取T类型的相继对象。实际读取操作在自增,而非解引用迭代器时进行。在构造迭代器时读取首个对象。解引用只返回最近读取的对象的副本。
参考 http://www.cplusplus.com/reference/iterator/istream_iterator/ https://zh.cppreference.com/w/cpp/iterator/istream_iterator
Member typesiterator_category,value_type,difference_type,pointerandreferenceare required to be obtained by inheriting fromstd::iterator<std::input_iterator_tag, CharT,typenameTraits::off_type,/* unspecified */, CharT>. (until C++17) The member typepointeris usuallyCharT*(seebelow). ...
代码语言:txt 复制 © cppreference.com 在CreativeCommonsAttribution下授权-ShareAlike未移植许可v3.0。 http://en.cppreference.com/w/cpp/iterator/iStream[医]迭代器 本文档系腾讯云开发者社区成员共同维护,如有问题请联系 cloudcommunity@tencent.com最后更新于:2017-12-18 ...
reference const T& char_type CharT traits_type Traits istream_type std::basic_istream<CharT, Traits> 要求通过从 std::iterator<std::input_iterator_tag, T, Distance, const T*, const T&> 继承获得成员类型 iterator_category、 value_type、 difference_type、 pointer 及reference。 (C++17 ...
https://en.cppreference.com/w/cpp/iterator/istreambuf_iterator https://cplusplus.com/reference/iterator/istreambuf_iterator/ https://blog.csdn.net/qq_37529913/article/details/119850048 https://www.w3cschool.cn/doc_cpp/cpp-iterator-istreambuf_iterator.html ...
cppreference.com Create account std::istreambuf_iterator<CharT,Traits>::istreambuf_iterator (1) istreambuf_iterator()throw(); (until C++11) constexpristreambuf_iterator()noexcept; (since C++11) constexpristreambuf_iterator(std::default_sentinel_t)noexcept; ...
// istream_iterator_istream_iterator.cpp // compile with: /EHsc #include <iterator> #include <vector> #include <algorithm> #include <iostream> int main( ) { using namespace std; // Used in conjunction with copy algorithm // to put elements into a vector read from cin vector<int> vec...
代码语言:txt 复制 © cppreference.com 在CreativeCommonsAttribution下授权-ShareAlike未移植许可v3.0。 http://en.cppremience.com/w/cpp/iterator/istreambuf[医]迭代器/[医]迭代器 本文档系腾讯云开发者社区成员共同维护,如有问题请联系 cloudcommunity@tencent.com最后更新于:2017-12-18 分享 分享 ...
The first member operator returns a reference to the incremented object of typeTypeextracted from the input stream and the second member function returns a copy of the object. Example C++ // istream_iterator_operator_incr.cpp// compile with: /EHsc#include<iterator>#include<vector>#include<algori...