"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-08 20:53:40.811139
"""

```python
from typing import Callable, Any


class FallbackExecutor:
    """
    A class that provides a fallback mechanism for executing functions.
    
    This implementation will attempt to execute the primary function,
    and if it raises an exception, a fallback function will be executed instead.

    :param primary: The main function to try to execute
    :param fallback: The function to execute if the primary fails
    """

    def __init__(self, primary: Callable[[], Any], fallback: Callable[[], Any]):
        self.primary = primary
        self.fallback = fallback

    def run(self) -> None:
        """
        Attempts to execute the primary function. If an exception occurs,
        executes the fallback function instead.
        
        :return: None
        """
        try:
            self.primary()
        except Exception as e:
            print(f"Error occurred while executing primary function: {e}")
            self.fallback()


# Example usage

def main_function() -> None:
    """Main function that may fail."""
    raise ValueError("Something went wrong in the main function!")


def fallback_function() -> None:
    """Fallback function executed if an error occurs in the main function."""
    print("Executing fallback function as the primary function failed.")


if __name__ == "__main__":
    executor = FallbackExecutor(primary=main_function, fallback=fallback_function)
    executor.run()
```