Binary search an ArrayList by functor : ArrayList « Collections « Visual C++ .NET






  1. Visual C++ .NET
  2. Collections
  3. ArrayList

Binary search an ArrayList by functor

 

#include "stdafx.h"
using namespace System;
using namespace System::Collections;

ref class myReverserClass: public IComparer
{
public:
   virtual int Compare(Object^ x, Object^ y) = IComparer::Compare
   {
       return (String::Compare((String^)y, (String^)x));
   }
};

void main()
{
    ArrayList ^alist = gcnew ArrayList(4);
    alist->Add("One");
    alist->Add("-");
    array<String^>^ morenums = gcnew array<String^> {"Four", "Five"};

    alist->AddRange(morenums);

    
    IComparer^ myComparer = gcnew myReverserClass;
    alist->Sort(myComparer);
    
    int indx = alist->BinarySearch("Four", myComparer);
    Console::WriteLine("Four found at index: {0}", indx.ToString());
    
}








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