Mega Code Archive
Erase element from a map
<![CDATA[
#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);
return (0);
}
]]>