Visual C++ .NET/Collections/multimap
multimap inserting
<source lang="csharp">
- include "stdafx.h"
- include <cliext/map>
using namespace System; using namespace cliext; using namespace System::Collections::Generic; ref class MyClass{ public:
String^ Name; MyClass() : Name(String::Empty) { } MyClass(String^ name) : Name(name) { } MyClass(const MyClass% orig){ Name = orig.Name; } MyClass% operator=(const MyClass% orig){ if (this != %orig) Name = orig.Name; return *this; } ~MyClass() { } bool operator<(const MyClass^ rhs){ return (Name->CompareTo(rhs->Name) < 0); } bool operator==(const MyClass^ rhs) { return (Name->Equals(rhs->Name)); }
}; int main(array<System::String ^> ^args) {
map<MyClass^, double> myMap; MyClass^ King = gcnew MyClass("A"); myMap.insert(myMap.end(), map<MyClass^, double>::make_value(gcnew MyClass("Z"), 3.0)); myMap.insert(map<MyClass^, double>::make_value(King, 10.0)); myMap.insert(map<MyClass^, double>::make_value(gcnew MyClass("B"),9.0)); map<MyClass^, double> copy; map<MyClass^, double>::iterator myMap_e = myMap.end(); copy.insert(myMap.begin(), --myMap_e); map<MyClass^, double>::iterator myMap_cb = copy.begin(); copy.erase(++myMap_cb); copy.erase(gcnew MyClass("Lady")); for each (KeyValuePair<MyClass^, double> ^kvp in (IDictionary<MyClass^, double>^)%copy) System::Console::Write("{0} [{1}] ", kvp->Key->Name, kvp->Value);
Console::WriteLine("\n\nFound = {0}", copy.find(King)->first->Name); map<MyClass^, double>::iterator Lady = copy.find(gcnew MyClass("Lady")); Console::WriteLine("Did {0}Find = Lady", (Lady == copy.end()) ? "not " : ""); multimap<MyClass^, double> mmyMap; mmyMap.insert(multimap<MyClass^, double>::make_value(gcnew MyClass("K"), 10.0)); mmyMap.insert(multimap<MyClass^, double>::make_value(gcnew MyClass("B"), 9.0)); mmyMap.insert(mmyMap.end(), multimap<MyClass^, double>::make_value(gcnew MyClass("Z"), 3.0)); return (0);
}
</source>