[Python-ideas] Add an identity function

[Benjamin Peterson]

dag.odenhall at ... <dag.odenhall at ...> writes:

> 
> Yes, I know, it's merely a (lambda x: x), but I find a need for this
> often enough that dedicated, documented function would help
> readability and encourage certain patterns. Whether it should go in
> builtins or functools is debatable.

http://mail.python.org/pipermail/python-ideas/2009-March/003646.html