Mega Code Archive
Merge lists by greater-functor
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#include "stdafx.h"
#include <cliext/list>
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->CompareTo(rhs->Name) > 0);
}
bool operator==(const MyClass^ rhs){
return (Name->Equals(rhs->Name));
}
};
ref class MyGreaterThanFunctor{
public:
bool operator()(MyClass^ a, MyClass^ b)
{
return a > b;
}
};
int main(array<System::String ^> ^args)
{
list<MyClass^> pets;
pets.push_front(gcnew MyClass("A"));
pets.push_front(gcnew MyClass("B"));
pets.push_front(gcnew MyClass("C"));
pets.push_front(gcnew MyClass("D"));
list<MyClass^> puppies;
puppies.push_front(gcnew MyClass("E"));
puppies.push_front(gcnew MyClass("F"));
pets.sort(gcnew MyGreaterThanFunctor());
puppies.sort(greater<MyClass^>());
pets.merge(puppies, greater<MyClass^>());
for each (MyClass^ pet in pets)
System::Console::Write("{0} ", pet->Name);
return (0);
}
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