How to Properly Call a Function in C+ + with String and Integer Parameters

Discover how to effectively call a function in C+ + that accepts a string and an integer, including common mistakes and best practices.
---

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How do i call a function that has a string and an int in the header?

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Calling Functions in C+ + : A Guide to Using String and Integer Parameters

Are you struggling with calling a function in C+ + that requires a string and an integer? Many beginners face similar issues when working with function parameters. This guide will not only resolve your confusion but also help you avoid common pitfalls.

The Problem

You might have encountered situations where your function does not behave as expected. For instance, consider a code snippet supposed to repeat a word n number of times. The problem arises when trying to call the function correctly and ensuring the output displays as intended.

In this case, the function repeat takes a string and an integer as parameters but fails to show the expected output when implemented in the main() function.

What Went Wrong?

Here are the two main issues observed in the original code:

Forward Declaration: The function must be declared before it's used in main().

Printing Output: The returned string from the function needs to be printed using cout.

The Solution

Now let's walk through the correct approach step-by-step.

Step 1: Forward Declare the Function

Before the main function starts, declare the repeat function. This informs the compiler about the existence and signature of the function.

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Modify the main() Function

In the main() function, ensure that you print the return value of the repeat function:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Update the repeat Function

Look at the repeat function itself. Here’s how it stands:

[[See Video to Reveal this Text or Code Snippet]]

However, since your function is asking for user input, you could refactor it either by:

Removing parameters entirely if you're going to ask for input inside the function:

[[See Video to Reveal this Text or Code Snippet]]

Or keeping the parameters and simply handling input in main:

[[See Video to Reveal this Text or Code Snippet]]

Final Code Example

Here’s a complete, corrected version of your program:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By following these steps, you can effectively call a function in C+ + that accepts both a string and an integer. Remember to always check for forward declaration and ensure that outputs are displayed correctly. Happy coding!