[Python-ideas] A simple proposal concerning lambda

[Chris Angelico]

On Wed, Aug 22, 2018 at 12:57 PM, Abe Dillon <abedillon at gmail.com> wrote:
> [Chris Angelico]
>>
>> If you have a use-case for a lambda function that takes a callback and
>> has a default value for that callback, please submit it to The Daily
>> WTF. In Steve's example, the main function was created with a
>> statement.
>
>
> Fair enough, but I still think D'Aprano may have engineered his example to
> be particularly unreadable.
> Why would you use 'arg' for both the argument to the method and the
> callback! That's at least a little WTF.

True, but hardly significant. The one inside lambda is local to it.

Though... it's insignificant when the function header precedes the
expression/body. With the proposal to move the header to the end, that
might become problematic, which makes it yet another cost to the
proposal.

ChrisA