From: Simon Marchi <simon.marchi@polymtl.ca>
To: Pedro Alves <palves@redhat.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH v2 5/5] Eliminate make_cleanup_ui_file_delete / make ui_file a class hierarchy
Date: Wed, 25 Jan 2017 18:39:00 -0000 [thread overview]
Message-ID: <8cee3d1e0a4219a8eeaacf07a8841f5b@polymtl.ca> (raw)
In-Reply-To: <0a004b52-a388-e7ec-fe3e-ccac3e31f7b2@redhat.com>
On 2017-01-25 13:28, Pedro Alves wrote:
>> If it had been "to std::move the string contents out..." it might have
>> been a bit clearer, I'm not entirely sure.
>
> That would read a bit odd to me, since "std::move" itself
> does nothing, it's just a cast.
I think it's obvious that if you're going to use std::move, it's to move
the value somewhere, not just "std::move (buf);" by itself. But if you
want to go with the more explicit comment below, it's fine with me. It
shows the use case more clearly.
> Maybe it'll be clearer with
> an example? Something like:
>
> /* Accesses the std::string containing the entire output collected
> - so far. Returns a non-const reference so that it's easy to move
> - the string contents out of the string_file. */
> + so far.
> +
> + Returns a non-const reference so that it's easy to move the
> + string contents out of the string_file. E.g.:
> +
> + string_file buf;
> + buf.printf (....");
> + buf.printf (....");
> + return std::move (buf.string ());
> + */
> std::string &string () { return m_string; }
next prev parent reply other threads:[~2017-01-25 18:39 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-17 1:39 [PATCH 0/5] Eliminate cleanups & make ui_file a C++ " Pedro Alves
2017-01-17 1:39 ` [PATCH 2/5] gdb/varobj.c: Fix leak Pedro Alves
2017-01-17 1:39 ` [PATCH 3/5] gdb/stack.c: Remove unused mem_fileopen Pedro Alves
2017-01-17 1:39 ` [PATCH 1/5] gdb: make_scoped_restore and types convertible to T Pedro Alves
2017-01-17 1:39 ` [PATCH 5/5] Eliminate make_cleanup_ui_file_delete / make ui_file a class hierarchy Pedro Alves
2017-01-17 19:57 ` Simon Marchi
2017-01-17 19:58 ` Simon Marchi
2017-01-23 16:58 ` Pedro Alves
2017-01-23 17:17 ` Pedro Alves
2017-01-23 19:18 ` Simon Marchi
2017-01-23 23:19 ` [PATCH v2 " Pedro Alves
2017-01-24 18:29 ` Simon Marchi
2017-01-24 19:14 ` Simon Marchi
2017-01-25 18:37 ` Pedro Alves
2017-01-25 17:52 ` Pedro Alves
2017-01-25 19:31 ` Pedro Alves
2017-01-25 19:47 ` [PATCH v3 " Pedro Alves
2017-02-01 0:31 ` Pedro Alves
2017-01-25 18:27 ` [PATCH v2 " Pedro Alves
2017-01-24 19:11 ` Simon Marchi
2017-01-25 18:28 ` Pedro Alves
2017-01-25 18:39 ` Simon Marchi [this message]
2017-01-25 18:41 ` Pedro Alves
2017-01-17 1:47 ` [PATCH 4/5] gdb/mi/mi-interp.c: Fix typos Pedro Alves
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