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| author | thakis <thakis@chromium.org> | 2014-11-04 15:38:06 -0800 |
|---|---|---|
| committer | Commit bot <commit-bot@chromium.org> | 2014-11-04 23:38:45 +0000 |
| commit | a907c318b52d7b66d2a66837bdfa6faf9e1058a3 (patch) | |
| tree | b10e10ece17b206ad31f54929cbe356ffcb22a15 /styleguide/c++/c++11.html | |
| parent | fdfc765d2bd2a6d674bad2fa4f2b064f56701aaa (diff) | |
| download | chromium_src-a907c318b52d7b66d2a66837bdfa6faf9e1058a3.zip chromium_src-a907c318b52d7b66d2a66837bdfa6faf9e1058a3.tar.gz chromium_src-a907c318b52d7b66d2a66837bdfa6faf9e1058a3.tar.bz2 | |
c++11: Allow lambdas, with some restrictions.
Thanks to David Michael <dmichael@chromium.org> for condensing the discussion
thread to a recommendation!
BUG=none
Review URL: https://codereview.chromium.org/699283002
Cr-Commit-Position: refs/heads/master@{#302708}
Diffstat (limited to 'styleguide/c++/c++11.html')
| -rw-r--r-- | styleguide/c++/c++11.html | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/styleguide/c++/c++11.html b/styleguide/c++/c++11.html index 6d870fb..f99a8eb 100644 --- a/styleguide/c++/c++11.html +++ b/styleguide/c++/c++11.html @@ -116,6 +116,23 @@ enum classes and regular enums.</td> </tr> <tr> +<td>Lambda Expressions</td> +<td><code>[<i>captures</i>](<i>params</i>) -> <i>ret</i> { <i>body</i> }</code></td> +<td>Anonymous functions</td> +<td><a href="http://en.cppreference.com/w/cpp/language/lambda">Lambda functions</a></td> +<td>Do not bind or store lambdas; use <code>base::Bind</code> and +<code>base::Callback</code> instead, because they offer protection against a +large class of object lifetime mistakes. Don't use default captures +(<code>[=]</code>, <code>[&]</code> – <a + href="https://google-styleguide.googlecode.com/svn/trunk/cppguide.html#Lambda_expressions">Google Style Guide</a>). +Lambdas are typically useful as a parameter to methods or +functions that will use them immediately, such as those in +<code><algorithm></code>. <a + href="https://groups.google.com/a/chromium.org/forum/#!topic/chromium-dev/D9UnnxBnciQ">Discussion + thread</a></td> +</tr> + +<tr> <td>Local Types as Template Arguments</td> <td></td> <td>Allows local and unnamed types as template arguments</td> @@ -415,14 +432,6 @@ synthetic function such as a copy constructor</td> </tr> <tr> -<td>Lambda Expressions</td> -<td><code>[<i>captures</i>](<i>params</i>) -> <i>ret</i> { <i>body</i> }</code></td> -<td>Anonymous functions</td> -<td><a href="http://en.cppreference.com/w/cpp/language/lambda">Lambda functions</a></td> -<td>No default captures (<a href="https://google-styleguide.googlecode.com/svn/trunk/cppguide.html#Lambda_expressions">Google Style Guide</a>). <a href="https://groups.google.com/a/chromium.org/forum/#!topic/chromium-dev/D9UnnxBnciQ">Discussion thread</a></td> -</tr> - -<tr> <td>Non-Static Class Member Initializers</td> <td> <code> |