"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-06 19:22:14.546794
"""

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

class FallbackExecutor:
    """
    A class that provides a robust way of executing functions with fallbacks in case of errors.
    
    Attributes:
        primary_func (Callable): The main function to execute.
        fallback_func (Callable): The fallback function to execute if the primary function fails.
        
    Methods:
        run: Executes the primary function and handles exceptions by running the fallback function.
    """
    
    def __init__(self, primary_func: Callable[..., Any], fallback_func: Callable[..., Any]):
        self.primary_func = primary_func
        self.fallback_func = fallback_func
    
    def run(self) -> Union[Any, None]:
        try:
            return self.primary_func()
        except Exception as e:
            print(f"Error occurred while executing primary function: {e}")
            return self.fallback_func()

# Example usage and a sample problem related to limited error recovery
def divide_numbers(num1: int, num2: int) -> float:
    """
    A simple function that divides two numbers.
    
    Args:
        num1 (int): The numerator.
        num2 (int): The denominator.
        
    Returns:
        float: The result of the division if successful, otherwise None.
    """
    return num1 / num2

def safe_divide(num1: int, num2: int) -> float:
    """
    A safe function that divides two numbers with error handling.
    
    Args:
        num1 (int): The numerator.
        num2 (int): The denominator.
        
    Returns:
        float: The result of the division if successful, otherwise a specific error message.
    """
    try:
        return divide_numbers(num1, num2)
    except ZeroDivisionError:
        print("Error: Division by zero is not allowed.")
        return 0.0

# Creating fallback_executor instance
fallback_executor = FallbackExecutor(
    primary_func=lambda: safe_divide(10, 2),
    fallback_func=lambda: safe_divide(10, 0)
)

result = fallback_executor.run()
print(f"Result of division: {result}")
```