const_referenceconstvalue_type& pointer Allocator::pointer (until C++11) std::allocator_traits<Allocator>::pointer (since C++11) const_pointer Allocator::const_pointer (until C++11) std::allocator_traits<Allocator>::const_pointer (since C++11) ...
multimap<string, CWord>mymap; public: bool Add(string strLine) { CWord word(strLine); pair<string, CWord>p(word.GetMainWord(), word); mymap.insert(p); return true; } void Show_Find(string strFind) { multimap<string, CWord>::iterator itfind = mymap.find(strFind); if (itfind ...
{"GOOG",20} }; stringmap b = { {"GOOG",20}, {"MSFT",200}, {"AAPL",100}, {"GOOG",50} }; stringmap c = { {"GOOG",70}, {"MSFT",200}, {"AAPL",100} };if(a==b) std::cout <<"a and b are equal\n";if(b!=c) std::cout <<"b and c are not equal\n";...
1.处理coll["otto"]: --如果存在键值为“otto”的元素,以上式子返回该元素的reference。 --如果没有任何元素的键值为“otto”,以上式子便为map自动安插一个新元素,键值key为“otto”,value通过default构造函数完成,并返回一个reference指向新元素。 2.将7.7赋值给value: --紧接着,将7.7赋值给刚才返回的元素。 ...
class value_compare : public binary_function<value_type, value_type, bool> { friend class multimap<_Key,_Tp,_Compare,_Alloc>; protected: _Compare comp; value_compare(_Compare __c) : comp(__c) {} public: bool operator()(const value_type& __x, const value_type& __y) const { ret...
ReferenceC library: <cassert> (assert.h) <cctype> (ctype.h) <cerrno> (errno.h) <cfenv> (fenv.h) <cfloat> (float.h) <cinttypes> (inttypes.h) <ciso646> (iso646.h) <climits> (limits.h) <clocale> (locale.h) <cmath> (math.h) <csetjmp> (setjmp.h) <csignal> (signal.h...
Alice: 1:a 2:b 3:c Bob : 7:Z 8:Y 9:X 10:W -- SWAP Alice: 7:Z 8:Y 9:X 10:W Bob : 1:a 2:b 3:c See also swap swaps the contents (public member function) Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/container/multimap/swap2&oldid=161961"...
multiset<CEMployee>myset; public: bool Add(CEMployee& e) { myset.insert(e); return true; } void show() { multiset<CEMployee>::iterator te = myset.begin(); while (te != myset.end()) { const CEMployee& obj = *te; //以引用的方式指向本身ref ...
// cliext_multimap_const_reference.cpp // compile with: /clr #include <cliext/map> typedef cliext::multimap<wchar_t, int> Mymultimap; int main() { Mymultimap c1; c1.insert(Mymultimap::make_value(L'a', 1)); c1.insert(Mymultimap::make_value(L'b', 2)); c1.insert(Mymultimap::...
#include <iostream> #include int main() { std::multimap<int, char> dict { {1, 'A'}, {2, 'B'}, {2, 'C'}, {2, 'D'}, {4, 'E'}, {3, 'F'} }; auto range = dict.equal_range(2); for (auto i = range.first; i != range.second; ++i) std::cout << i->first...