std::ranges::set_difference,std::ranges::set_difference_result Defined in header<algorithm> Call signature template<std::input_iteratorI1,std::sentinel_for<I1>S1, std::input_iteratorI2,std::sentinel_for<I2>S2, std::weakly_incrementableO,classComp=ranges::less, ...
returnstrueif one sequence is a subsequence of another (function template) set_symmetric_difference computes the symmetric difference between two sets (function template) ranges::set_difference (C++20) computes the difference between two sets (algorithm function object)...
{2,5,7};std::vector<int>diff;std::set_difference(v1.begin(), v1.end(), v2.begin(), v2.end(),std::inserter(diff, diff.begin()));std::cout<<v1<<" ∖ "<<v2<<" == "<<diff<<"\n\n";// 我们想知道新订单和旧订单相比“砍掉了”哪些:std::vector<Order>old_orders{{1...
template<class InputIt1, class InputIt2, class OutputIt> OutputIt set_difference(InputIt1 first1, InputIt1 last1, InputIt2 first2, InputIt2 last2, OutputIt d_first) { while (first1 != last1) { if (first2 == last2) return std::copy(first1, last1, d_first); if (*first1 ...
std::ranges::range_difference_t, std::ranges::range_value_t C++ 范围库 在标头 <ranges> 定义 template< ranges::sized_range R > using range_size_t = decltype(ranges::size(std::declval<R&>())); (1) (C++20 起) template< ranges::range R > using range_difference_t = std::iter...
一、背景介绍: 函数指针始终不太灵活,它只能指向全局或静态函数,对于类成员函数、lambda表达式或其他可...
using range_difference_t = std::iter_difference_t<ranges::iterator_t<R>>; (4) (C++20 起) template <ranges::range R> using range_value_t = std::iter_value_t<ranges::iterator_t<R>>; (5) (C++20 起) template <ranges::range R> using range_reference_t = std::iter_reference_...
stackoverflow上看到的,直接一步到位,判断一个类是不是另一个模板类的特化类型。template<typename,...
set_intersection Intersection of two sorted ranges (function template ) set_difference Difference of two sorted ranges (function template ) set_symmetric_difference Symmetric difference of two sorted ranges (function template ) ...
要在any_of中使用您的范围,它必须满足input_range的概念: