[Python-ideas] Mutable default arguments - another approach
cvrebert at gmail.com
Wed Jan 31 02:54:13 CET 2007
Piotr Duda wrote:
> Read my previous post again, and give me examples of what you cannot
> do regarding default arguments.
First, I'd like to register my dislike for implicitly determining when a
default argument will be copied on every call.
Second, as per your request:
if bar is None: bar = function_call()
if bar is None: bar = something.method_call()
#These were just a few. There are others.
These cannot be rewritten using simple copying decorators. Various
decorators have been presented that account for some of these (and
other) situations. However, IMHO they're not too elegant/clean. Thus, a
slightly more sophisticated solution is required.
- Chris Rebert
More information about the Python-ideas