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Diffstat (limited to 'libs/multi_index/doc/release_notes.html')
| -rw-r--r-- | libs/multi_index/doc/release_notes.html | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/libs/multi_index/doc/release_notes.html b/libs/multi_index/doc/release_notes.html index b467dc0e0..423905c11 100644 --- a/libs/multi_index/doc/release_notes.html +++ b/libs/multi_index/doc/release_notes.html @@ -30,6 +30,7 @@ Acknowledgements <h2>Contents</h2> <ul> + <li><a href="#boost_1_58">Boost 1.58 release</a></li> <li><a href="#boost_1_57">Boost 1.57 release</a></li> <li><a href="#boost_1_56">Boost 1.56 release</a></li> <li><a href="#boost_1_55">Boost 1.55 release</a></li> @@ -50,6 +51,33 @@ Acknowledgements <li><a href="#boost_1_33">Boost 1.33 release</a></li> </ul> +<h2><a name="boost_1_58">Boost 1.58 release</a></h2> + +<p> +<ul> + <li>The efficiency of lookup operations has improved in situations where they involve + the generation of temporary values of <code>key_type</code>. Consider for instance + the following code: +<blockquote><pre> +<span class=keyword>typedef</span> <span class=identifier>multi_index_container</span><span class=special><</span> + <span class=identifier>std</span><span class=special>::</span><span class=identifier>string</span><span class=special>,</span> + <span class=identifier>indexed_by</span><span class=special><</span> + <span class=identifier>ordered_unique</span><span class=special><</span><span class=identifier>identity</span><span class=special><</span><span class=identifier>std</span><span class=special>::</span><span class=identifier>string</span><span class=special>></span> <span class=special>></span> + <span class=special>></span> +<span class=special>></span> <span class=identifier>multi_t</span><span class=special>;</span> +<span class=special>...</span> +<span class=identifier>multi_t</span> <span class=identifier>m</span><span class=special>=...;</span> +<span class=identifier>m</span><span class=special>.</span><span class=identifier>find</span><span class=special>(</span><span class=string>"boost"</span><span class=special>);</span> <span class=comment>// passed a const char*, not a std::string</span> +</pre></blockquote> + In previous versions of the library, the <code>find</code> operation generates + several temporary <code>std::string</code>s (one every time an internal comparison is made). + In sufficiently advanced compilers, this is now avoided so that only one temporary is + created. + </li> + <li>Maintenance fixes.</li> +</ul> +</p> + <h2><a name="boost_1_57">Boost 1.57 release</a></h2> <p> @@ -463,7 +491,7 @@ Acknowledgements <br> -<p>Revised August 20th 2014</p> +<p>Revised November 12th 2014</p> <p>© Copyright 2003-2014 Joaquín M López Muñoz. Distributed under the Boost Software |