functools — Expert Examples
Higher-order functions: lru_cache, partial, reduce, wraps, singledispatch
functools deep dive
Implementation details and performance considerations.
python
# functools internals import functools import sys mod = functools print(f"Module: {mod.__name__}") print(f"File: {getattr(mod, '__file__', 'built-in')}") print(f"Package: {getattr(mod, '__package__', 'N/A')}") print(f"Size in modules: {sys.getsizeof(mod)} bytes")
Understanding the internals of functools helps write more efficient code.
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