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I personally find that keyword only arguments make for nicer APIS. It also makes subclassing easier because you are free to add new positional arguments later. Especially for boolean arguments, I think keyword only is a great API choice.

On Tue, Apr 14, 2015 at 2:06 PM, Steven D'Aprano <steve@pearwood.info> wrote:

On Tue, Apr 14, 2015 at 01:40:40PM -0400, Eric V. Smith wrote:

\> But, I don't see a lot of keyword-only parameters being added to stdlib
\> code. Is there some position we've taken on this? Barring someone saying
\> "stdlib APIs shouldn't contain keyword-only params", I'm inclined to
\> make numeric\_owner keyword-only.

I expect that's because keyword-only parameters are quite recent (3.x
only) and most of the stdlib is quite old.

Keyword-only feels right for this to me too.

\--
Steve

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