Module better_functools.helpers
Functions
def singleton(cls: Callable[[], ~T]) ‑> ~T
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Expand source code
def singleton(cls: Callable[[], T]) -> T: """Decorator to create a single instance of a class without constructor args. The resulting object is not strictly speaking a singleton, but the class itself is now obscured. >>> @singleton ... class single: ... def zero(self) -> int: ... return 0 >>> single.zero() 0 """ return cls()
Decorator to create a single instance of a class without constructor args.
The resulting object is not strictly speaking a singleton, but the class itself is now obscured.
>>> @singleton ... class single: ... def zero(self) -> int: ... return 0 >>> single.zero() 0