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Re: [PATCH] hashmap: adjust documentation to reflect reality




On Sat, Dec 2, 2017 at 9:35 PM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
> Jeff King <peff@xxxxxxxx> writes:
>
>> My second suggestion (which I'm on the fence about) is: would it better
>> to just say "see t/helper/test-hashmap.c for a representative example?"

I think that may be better in the long run, indeed.

>
> I also had the same thought.  It is rather unwieldy to ask people to
> lift code from comment text, and it is also hard to maintain such a
> commented out code to make sure it is up to date.
>
>> I'm all for code examples in documentation, but this one is quite
>> complex. The code in test-hashmap.c is not much more complex, and is at
>> least guaranteed to compile and run.
>
> Yup.  Exactly.
>
>> It doesn't show off how to combine a flex-array with a hashmap as
>> well, but I'm not sure how important that is. So I could go either
>> way.

We could add that example to the test helper as then we have a good (tested)
example for that case, too.

> In any case, keeping a bad example as-is is less good than replacing
> it with a corrected one, so I do not mind taking this patch as an
> immediate first step, whether we later decide to remove it and refer
> to an external file that has a real example that will be easier to
> maintain and use.
>
> Thanks.

Thanks for taking this and building on top,
Stefan