"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 05:12:03.198715
"""

```python
from typing import Callable, Any, Optional


class FallbackExecutor:
    """
    A class for executing a function with fallback mechanisms in case of errors.
    
    Attributes:
        primary_func (Callable): The main function to be executed.
        fallback_func (Optional[Callable]): The function to be used as a fallback if the primary function fails. 
                                            Defaults to None, meaning no fallback will be attempted.
    
    Methods:
        execute: Executes the primary function and handles errors by invoking the fallback function if necessary.
    """
    
    def __init__(self, primary_func: Callable, fallback_func: Optional[Callable] = None):
        self.primary_func = primary_func
        self.fallback_func = fallback_func
    
    def execute(self) -> Any:
        try:
            return self.primary_func()
        except Exception as e:
            if self.fallback_func is not None:
                print(f"Primary function failed: {e}. Executing fallback.")
                return self.fallback_func()
            else:
                raise


# Example usage
def main_function() -> str:
    """Example primary function that might fail."""
    try:
        # Simulate a failure scenario
        raise ValueError("Something went wrong!")
    except ValueError as ve:
        print(f"Caught error in main function: {ve}")
        return "Fallback success!"


def fallback_function() -> str:
    """Example fallback function."""
    return "Primary function failed, executing fallback."


if __name__ == "__main__":
    # Create FallbackExecutor instance
    executor = FallbackExecutor(main_function, fallback_function)
    
    # Execute the primary and fallback functions as needed
    result = executor.execute()
    print(f"Result: {result}")
```

This code creates a `FallbackExecutor` class designed to handle errors by executing a fallback function if the primary function fails. It includes an example usage where a main function that might fail is provided with a fallback function to recover from potential issues.