9 questions for “Type Hints”

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Information Technology

9 questions in 2 technologies

#	Question	Technology	Topic	Level
1	How would you write a decorator that validates a function's arguments against its type hints at RUNTIME, since Python doesn't enforce type hints by default? Python › Decorators	Python	Decorators	Advanced
2	How does autowiring work in a service container, and how does it use type hints to automatically resolve a class's dependencies? PHP › Dependency Injection & Service Containers	PHP	Dependency Injection & Service Containers	Intermediate
3	How does typing.NamedTuple differ from collections.namedtuple in terms of syntax and type annotation support? Python › Dataclasses & NamedTuples	Python	Dataclasses & NamedTuples	Intermediate
4	How does functools.singledispatch let you implement function overloading based on an argument's TYPE? Python › Decorators	Python	Decorators	Advanced
5	How would you implement a type-validating descriptor that enforces a specific type constraint, reusable across multiple attributes and classes? Python › Descriptors & Properties	Python	Descriptors & Properties	Advanced
6	How do you correctly type-hint a function using args and *kwargs with modern typing, like ParamSpec for preserving a wrapped function's exact signature? Python › Functions & Scope	Python	Functions & Scope	Advanced
7	How do you preserve a decorated function's original SIGNATURE (parameter names, defaults) for introspection tools, beyond what functools.wraps alone provides? Python › Decorators	Python	Decorators	Advanced
8	How do keyword-only arguments (using a bare '*' in the parameter list) force certain parameters to be passed by name only? Python › Functions & Scope	Python	Functions & Scope	Advanced
9	How do positional-only parameters (using a bare '/' in the parameter list, Python 3.8+) restrict how certain parameters can be passed? Python › Functions & Scope	Python	Functions & Scope	Advanced