make_pair std::make_pair Defined in header<utility> template<classT1,classT2> std::pair<T1, T2>make_pair(T1 x, T2 y); (until C++11) template<classT1,classT2> std::pair</*V1*/,/*V2*/>make_pair(T1&&x, T2&&y); (si
#include <iostream>#include <string>#include <unordered_map>intmain(){std::unordered_map<int,std::string>dict={{1,"one"},{2,"two"}};dict.insert({3,"three"});dict.insert(std::make_pair(4,"four"));dict.insert({{4,"another four"},{5,"five"}});constboolok=dict.insert({1,...
std::make_pair( a_tran.lower_bound(ke), a_tran.upper_bound(ke)); 对数 迭代器 关联容器的迭代器满足老式双向迭代器 (LegacyBidirectionalIterator) 的要求。 对于value_type 与key_type 相同的关联容器,iterator 和const_iterator 都是常量迭代器。未指明 iterator 和const_iterator 是否是相同类型。 关...
#include <iostream>#include <utility>intmain(){autop=std::make_pair(1,3.14);std::cout<<'('<<std::get<0>(p)<<", "<<std::get<1>(p)<<")\n";std::cout<<'('<<std::get<int>(p)<<", "<<std::get<double>(p)<<")\n";} ...
(http://en.cppreference.com/w/cpp/memory/unique_ptr/make_unique): <urlopen error [Errno 101] Network is unreachable> URL failed (http://en.cppreference.com/w/cpp/memory/weak_ptr): <urlopen error [Errno 101] Network is unreachable> URL failed (http://en.cppreference.com/w/cpp/...
} // remove specific key/value pair multiMap->remove<std::string, std::string>("my-key", "value2").get();7.4.3. Using replicated_mapHazelcast replicated_map is a distributed key-value data structure where the data is replicated to all members in the cluster. It provides full replication...
std::pair<auto,auto>p2=std::make_pair(0,'a');// first auto is int,// second auto is charSortable x=f(y);// the type of x is deduced from the return type of f,// only compiles if the type satisfies the constraint Sortableautof(Container)->Sortable;// return type is deduced...
template<classInputIt1,classInputIt2>std::pair<InputIt1, InputIt2>mismatch(InputIt1 first1, InputIt1 last1, InputIt2 first2, InputIt2 last2){while(first1!=last1&&first2!=last2&&*first1==*first2)++first1,++first2;returnstd::make_pair(first1, first2);} ...
empty() << '\n'; numbers.emplace(42, 13); numbers.insert(std::make_pair(13317, 123)); std::cout << "添加元素后, numbers.empty(): " << numbers.empty() << '\n'; } 输出: 起初, numbers.empty(): true 添加元素后, numbers.empty(): false...
If the pattern [pat_first, pat_last) is empty, returns make_pair(first, first). Otherwise, returns a pair of iterators to the first and one past last positions in [first, last) where a subsequence that compares equal to [pat_first, pat_last) as defined by pred is located, or make...