C++ STL istreambuf_iterator::equal() program example

 

Compiler: Visual C++ Express Edition 2005

Compiled on Platform: Windows XP Pro SP2

Header file: Standard

Additional project setting: Set project to be compiled as C++

Project -> your_project_name Properties -> Configuration Properties -> C/C++ -> Advanced -> Compiled As: Compiled as C++ Code (/TP)

Other info: none

To do: Using the C++ istreambuf_iterator::equal() to test for equivalence between two input stream buffer iterators in C++ programming

To show: How to use the C++ istreambuf_iterator, equal() to test for equivalence between two input stream buffer iterators in C++ programming

 

// C++ STL istreambuf_iterator, equal()

#include <iterator>

#include <iostream>

using namespace std;

 

int main(void)

{

cout<<"\nOperation: bol = readchinpt1.equal(readchinpt2)"<<endl;

cout<<"Enter a line of text then an Enter key to insert into the output:"<<endl<<endl;

 

// reading input

istreambuf_iterator<char> readchinpt1(cin);

istreambuf_iterator<char> readchinpt2(cin);

 

// test

bool bol = readchinpt1.equal(readchinpt2);

if(bol)

cout<<"The iterators are equal."<<endl;

else

cout<<"The iterators are not equal."<<endl;

return 0;

}

 

Output examples:

 

Operation: bol = readchinpt1.equal(readchinpt2)

Enter a line of text then an Enter key to insert into the output:

This is a line of text

The iterators are equal.

Press any key to continue . . .

 

 

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