IGNOU BCS 31 2016 - Write a C++ program which explains user-defined stream manipulators.

Question

Write a C++ program which explains user-defined stream manipulators.

31 Jul 2018

Answer :

Word Count : 415

Sure, let's create a simple C++ program that demonstrates the use of user-defined stream manipulators. Stream manipulators in C++ are used to modify the behavior of input and output streams. User-defined stream manipulators allow you to create custom manipulators to customize the formatting of data when it is being input or output.

In this example, we'll create a user-defined stream manipulator that converts a given number to its square. The manipulator will be named "square" and can be used in conjunction with the output stream to display the square of a number.

```cpp
#include <iostream>
#include <iomanip>

// User-defined stream manipulator for squaring a number
std::ostream& square(std::ostream& os) {
// Capture the current stream state
std::ios_base::fmtflags

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