[Haskell-cafe] Builder vs Builder

[Erik Hesselink]

I've never had any problems installing newer bytestring versions.
Unless you're using the GHC API, what is the problem?

Regards,

Erik

On Tue, Jan 28, 2014 at 9:30 AM, Gregory Collins
<greg at gregorycollins.net> wrote:
> If you want to try to support the last two or three haskell platform
> versions, you're committing to supporting GHC 7.4.x and bytestring 0.9.2.1
> still. Debian stable still has 7.4.1. Plus there are one or two things that
> are in blaze-builder that people use that didn't make it into bytestring. So
> I agree with Kazu, I'm not ready to switch to bytestring builder yet ---
> especially since 0.10.0.2 was kind of botched.
>
> I don't like preprocessor tricks here. If the public haddock docs on Hackage
> are built on a new machine but the user's machine is old, confusion is sure
> to result. You're forcing your downstream users to put in all of the same
> #ifdefs you used, too.
>
> Sad though it may be I think we just have to wait a year until everyone's on
> a capable version of bytestring, then deprecate blaze-builder and make the
> switch as quickly as possible.
>
> G
>
>
> On Tue, Jan 28, 2014 at 8:41 AM, Kazu Yamamoto <kazu at iij.ad.jp> wrote:
>>
>> Hi Andrew,
>>
>> > Does anyone know whether blaze-builder is deprecated in favour of
>> > bytestring's new Builder module, or are they the same, or...
>>
>> Recently I supported both blaze-builder and bytestring's Builder in
>> "fast-logger". So, I would like to share my experience.
>>
>> bytestring is tightly bound to GHC's version. GHC version 7.6.x is
>> shipped with bytestring 0.10.0.2 while GHC version 7.8.x will be
>> shipped with bytestring 0.10.4.0.
>>
>> To my impression, bytestring's APIs are stable and good enough in
>> bytestring 0.10.4.0.  For instance, while bytestring 0.10.4.0 provides
>> Data.ByteString.Builder and .Extra, bytestring 0.10.0.2 does not.
>> (Please don't confuse them with Data.ByteString.Lazy.Builder.)
>>
>> So, I think switching blaze-builder to bytestring's Builder is too
>> early at this moment. But if you are interested, you can get ready for
>> bytestring's Builder. You can use the following C's macro:
>>
>> #if MIN_VERSION_bytestring(0,10,4)
>>
>> For more information, please see the source of fast-logger.
>>
>> --Kazu
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>
>
>
>
> --
> Gregory Collins <greg at gregorycollins.net>
>
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