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From: Vladimir Davydov <vdavydov.dev@gmail.com>
To: kostja.osipov@gmail.com
Cc: tarantool-patches@freelists.org
Subject: Re: [PATCH] Drop const qualifier of struct tuple
Date: Fri, 5 Apr 2019 14:46:28 +0300	[thread overview]
Message-ID: <20190405114628.ah3upqd5yopc5pcg@esperanza> (raw)
In-Reply-To: <b33b31d1fe6678064247c93a93ca71ce980b965a.1554460860.git.vdavydov.dev@gmail.com>

On Fri, Apr 05, 2019 at 02:31:06PM +0300, Vladimir Davydov wrote:
> Using the const qualifier for complex structures like tuple is bad.
> We already have to cast it to drop the const qualifier now and then,
> e.g. to increment/decrement the reference counter.
> 
> We are planning to wrap struct tuple in a helper struct (aka entry) to
> store it in vinyl containers along with a comparison hint (cache, memory
> tree, etc). We will be passing this struct by value so we won't be able
> to retain const qualifier, because in contrast to a const pointer, one
> must initialize a const struct upon definition.
> 
> That said, it's time to drop const qualifier of struct tuple everywhere,
> like we have already done in case of struct key_def and tuple_format.

Kostja approved verbally. Pushed to master.

      reply	other threads:[~2019-04-05 11:46 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-05 11:31 Vladimir Davydov
2019-04-05 11:46 ` Vladimir Davydov [this message]

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