Spaces:
Runtime error
Runtime error
| """script to implement singleton design pattern""" | |
| class SingletonMeta(type): | |
| """Singleton Metaclass""" | |
| _instances = {} | |
| def __call__(cls, *args, **kwargs): | |
| if cls not in cls._instances: | |
| instance = super().__call__(*args, **kwargs) | |
| cls._instances[cls] = instance | |
| return cls._instances[cls] | |