Is queue empty : queue « Collections « Visual C++ .NET






Is queue empty

 
#include "stdafx.h"
#include <cliext/queue>

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)
{
    queue<MyClass^> petq;

    petq.push(gcnew MyClass("A"));
    petq.push(gcnew MyClass("B"));
    petq.push(gcnew MyClass("C"));
    petq.push(gcnew MyClass("D"));

    while (!petq.empty())
    {
        Console::Write("{0} ", petq.front()->Name);
        petq.pop();
    }
    
    return 0;
}

   
  








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