/
BirdLeon
/
ROBLOX2016
Обзор
Документация
Войти
/
BirdLeon
/
ROBLOX2016
Код
Запросы
0
Задачи
Вики
Пакеты
0
Релизы
0
Аналитика
Безопасность
main
Library/boost/libs/optional/doc/html/boost_optional/reference/relnotes.html
183 строки
14 KB
PatoFlamejanteTV
full source code
19 дек 2024, 19:11
19 дек 2024, 19:11
05db15d
Код
Авторство
О чём код?
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Release Notes</title> <link rel="stylesheet" href="../../../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="../../index.html" title="Boost.Optional"> <link rel="up" href="../../optional/reference.html" title="Reference"> <link rel="prev" href="dependencies_and_portability/optional_reference_binding.html" title="Optional Reference Binding"> <link rel="next" href="acknowledgements.html" title="Acknowledgements"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td> <td align="center"><a href="../../../../../../index.html">Home</a></td> <td align="center"><a href="../../../../../../libs/libraries.htm">Libraries</a></td> <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> <td align="center"><a href="../../../../../../more/index.htm">More</a></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="dependencies_and_portability/optional_reference_binding.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../optional/reference.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="acknowledgements.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> </div> <div class="section"> <div class="titlepage"><div><div><h3 class="title"> <a name="boost_optional.reference.relnotes"></a><a class="link" href="relnotes.html" title="Release Notes">Release Notes</a> </h3></div></div></div> <h5> <a name="boost_optional.reference.relnotes.h0"></a> <span class="phrase"><a name="boost_optional.reference.relnotes.boost_release_x_xx"></a></span><a class="link" href="relnotes.html#boost_optional.reference.relnotes.boost_release_x_xx">Boost Release X.XX</a> </h5> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> Now <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">optional</span></code> is specialized for reference parameters. This way the <code class="computeroutput"><span class="keyword">sizeof</span></code> of optional reference is that of a pointer, and a number of bugs is avoided. </li></ul></div> <h5> <a name="boost_optional.reference.relnotes.h1"></a> <span class="phrase"><a name="boost_optional.reference.relnotes.boost_release_1_60"></a></span><a class="link" href="relnotes.html#boost_optional.reference.relnotes.boost_release_1_60">Boost Release 1.60</a> </h5> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> Changed the implementation of <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">none</span></code> again. Now it is a const object with internal linkage (as any other tag). This fixes <a href="https://svn.boost.org/trac/boost/ticket/11203" target="_top">Trac #11203</a>. </li></ul></div> <h5> <a name="boost_optional.reference.relnotes.h2"></a> <span class="phrase"><a name="boost_optional.reference.relnotes.boost_release_1_59"></a></span><a class="link" href="relnotes.html#boost_optional.reference.relnotes.boost_release_1_59">Boost Release 1.59</a> </h5> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> For C++03 compilers, added 0-argument overload for member function <code class="computeroutput"><span class="identifier">emplace</span><span class="special">()</span></code>, and therewith removed the dependency on <code class="computeroutput"><span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">utility</span><span class="special">/</span><span class="identifier">in_place_factory</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code>. </li> <li class="listitem"> Fixed <a href="https://svn.boost.org/trac/boost/ticket/11241" target="_top">Trac #11241</a>. </li> </ul></div> <h5> <a name="boost_optional.reference.relnotes.h3"></a> <span class="phrase"><a name="boost_optional.reference.relnotes.boost_release_1_58"></a></span><a class="link" href="relnotes.html#boost_optional.reference.relnotes.boost_release_1_58">Boost Release 1.58</a> </h5> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">none_t</span></code> is no longer convertible from literal <code class="computeroutput"><span class="number">0</span></code>. This avoids a bug where <code class="computeroutput"><span class="identifier">optional</span><span class="special"><</span><span class="identifier">rational</span><span class="special"><</span><span class="keyword">int</span><span class="special">>></span> <span class="identifier">oi</span> <span class="special">=</span> <span class="number">0</span><span class="special">;</span></code> would initialize an optional object with no contained value. </li> <li class="listitem"> Improved the trick that prevents streaming out <code class="computeroutput"><span class="identifier">optional</span></code> without header <code class="computeroutput"><span class="identifier">optional_io</span><span class="special">.</span><span class="identifier">hpp</span></code> by using safe-bool idiom. This addresses <a href="https://svn.boost.org/trac/boost/ticket/10825" target="_top">Trac #10825</a>. </li> <li class="listitem"> IOStream operators are now mentioned in documentation. </li> <li class="listitem"> Added a way to manually disable move semantics: just define macro <code class="computeroutput"><span class="identifier">BOOST_OPTIONAL_CONFIG_NO_RVALUE_REFERENCES</span></code>. This can be used to work around <a href="https://svn.boost.org/trac/boost/ticket/10399" target="_top">Trac #10399</a>. </li> <li class="listitem"> It is no longer possible to assign <code class="computeroutput"><span class="identifier">optional</span><span class="special"><</span><span class="identifier">U</span><span class="special">></span></code> to <code class="computeroutput"><span class="identifier">optional</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span></code> when <code class="computeroutput"><span class="identifier">U</span></code> is not assignable or convertible to <code class="computeroutput"><span class="identifier">T</span></code> (<a href="https://svn.boost.org/trac/boost/ticket/11087" target="_top">Trac #11087</a>). </li> <li class="listitem"> Value accessors now work correctly on rvalues of <code class="computeroutput"><span class="identifier">optional</span><span class="special"><</span><span class="identifier">T</span><span class="special">&></span></code> (<a href="https://svn.boost.org/trac/boost/ticket/10839" target="_top">Trac #10839</a>). </li> </ul></div> <h5> <a name="boost_optional.reference.relnotes.h4"></a> <span class="phrase"><a name="boost_optional.reference.relnotes.boost_release_1_57"></a></span><a class="link" href="relnotes.html#boost_optional.reference.relnotes.boost_release_1_57">Boost Release 1.57</a> </h5> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> <a href="https://github.com/boostorg/optional/pull/9" target="_top">Git pull #9</a>: <span class="emphasis"><em>"Supply <code class="computeroutput"><span class="special"><</span><span class="identifier">string</span><span class="special">></span></code> to fix C++03 compile error on <code class="computeroutput"><span class="identifier">logic_error</span><span class="special">(</span><span class="string">"..."</span><span class="special">)</span></code>"</em></span>. </li></ul></div> <h5> <a name="boost_optional.reference.relnotes.h5"></a> <span class="phrase"><a name="boost_optional.reference.relnotes.boost_release_1_56"></a></span><a class="link" href="relnotes.html#boost_optional.reference.relnotes.boost_release_1_56">Boost Release 1.56</a> </h5> <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> <li class="listitem"> Added support for rvalue references. Now <code class="computeroutput"><span class="identifier">optional</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span></code> works with moveable but non-copyable <code class="computeroutput"><span class="identifier">T</span></code>'s, </li> <li class="listitem"> Improved <code class="computeroutput"><span class="identifier">swap</span></code> (now uses move operations), </li> <li class="listitem"> Added function <code class="computeroutput"><span class="identifier">emplace</span><span class="special">()</span></code>. This is the last of the requests from <a href="https://svn.boost.org/trac/boost/ticket/1841" target="_top">Trac #1841</a>, </li> <li class="listitem"> <code class="computeroutput"><span class="identifier">optional</span></code> is moveable, including conditional <code class="computeroutput"><span class="keyword">noexcept</span></code> specifications, which make it <code class="computeroutput"><span class="identifier">move_if_noexcept</span></code>-friendly, </li> <li class="listitem"> Using explicit operator bool() on platforms that support it (<a href="https://svn.boost.org/trac/boost/ticket/4227" target="_top">Trac #4227</a>) (breaking change), </li> <li class="listitem"> Forward declaration of <code class="computeroutput"><span class="keyword">operator</span><span class="special"><<(</span><span class="identifier">ostream</span><span class="special">&,</span> <span class="identifier">optional</span> <span class="keyword">const</span><span class="special">&)</span></code> to prevent inadvertent incorrect serialization of optional objects, </li> <li class="listitem"> Removed deprecated function <code class="computeroutput"><span class="identifier">reset</span><span class="special">()</span></code> from examples (<a href="https://svn.boost.org/trac/boost/ticket/9005" target="_top">Trac #9005</a>), </li> <li class="listitem"> Equality comparison with <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">none</span></code> does not require that <code class="computeroutput"><span class="identifier">T</span></code> be EqualityComparable, </li> <li class="listitem"> Optional rvalue references are explicitly disallowed, </li> <li class="listitem"> Binding temporaries to optional references is explicitly disallowed (breaking change), </li> <li class="listitem"> More ways to access the contained value, functions <code class="computeroutput"><span class="identifier">value</span><span class="special">()</span></code>, <code class="computeroutput"><span class="identifier">value_or</span><span class="special">()</span></code>, <code class="computeroutput"><span class="identifier">value_or_eval</span><span class="special">()</span></code>, </li> <li class="listitem"> Updated and reorganized documentation, added tutorial and quick guide sections. </li> </ul></div> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2003-2007 Fernando Luis Cacciola Carballal<br>Copyright © 2014-2016 Andrzej Krzemieński<p> Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="dependencies_and_portability/optional_reference_binding.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../optional/reference.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="acknowledgements.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>