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from functools import singledispatch
import inspect
def assign_signature(func):
# This is intended to cover more complex signature-rewriting decorators.
func.__signature__ = inspect.signature(func)
return func
@singledispatch
def func(arg, kwarg=None):
"""A function for general use."""
pass
@func.register(int)
def _func_int(arg, kwarg=None):
"""A function for int."""
pass
@func.register(str)
@assign_signature
def _func_str(arg, kwarg=None):
"""A function for str."""
pass
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