Skip Montanaro <skip at pobox.com> writes:
> >> What are the restrictions on list items?
> >>
> >> Only a function?
> >> Only a code object? (I assume so)
> >> Must the code return the original function?
> >> Must the code return a code object?
>
> Phillip> Any callable object. May return anything.
>
> Must take a single argument, which itself must be a callable, right?
I work from the equivalence of
def f [a, b, c] (args):
...
and
def f(args):
...
f = a(f)
f = b(f)
f = c(f)
Hence, all wrappers *will be called with* a single argument. That
argument may not be a callable (if a returns a non-callable, that's
what b will get) and the return value need not be a callable. Such
uses could be considered strange, however...
Paul.
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