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<title>From V2.12 to V2.20 (Boost 1.46)</title><link rel="stylesheet" href="boostbook.css" type="text/css"><meta name="generator" content="DocBook XSL-NS Stylesheets V1.75.2"><link rel="home" href="index.html" title="Meta State Machine (MSM)"><link rel="up" href="ch08.html" title="Chapter&nbsp;8.&nbsp;Version history"><link rel="prev" href="ch08.html" title="Chapter&nbsp;8.&nbsp;Version history"><link rel="next" href="ch08s03.html" title="From V2.10 to V2.12 (Boost 1.45)"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">From V2.12 to V2.20 (Boost 1.46)</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch08.html">Prev</a>&nbsp;</td><th width="60%" align="center">Chapter&nbsp;8.&nbsp;Version history</th><td width="20%" align="right">&nbsp;<a accesskey="n" href="ch08s03.html">Next</a></td></tr></table><hr></div><div class="sect1" title="From V2.12 to V2.20 (Boost 1.46)"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="d0e3385"></a>From V2.12 to V2.20 (Boost 1.46)</h2></div></div></div><p>
</p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"><p>Compile-time state machine analysis using mpl_graph:</p><div class="itemizedlist"><ul class="itemizedlist" type="circle"><li class="listitem"><p><span class="command"><strong><a class="command" href="ch03s05.html#backend-compile-time-analysis">checking of region orthogonality</a></strong></span>.</p></li><li class="listitem"><p><span class="command"><strong><a class="command" href="ch03s05.html#backend-compile-time-analysis">search for unreachable states</a></strong></span>.</p></li><li class="listitem"><p><span class="command"><strong><a class="command" href="ch03s02.html#explicit-entry-no-region-id">automatic region index search for pseudo entry or explicit
entry states</a></strong></span>.</p></li></ul></div></li><li class="listitem"><p><span class="command"><strong><a class="command" href="ch03s05.html#backend-boost-parameter">Boost.Parameter interface definition</a></strong></span> for
msm::back::state_machine&lt;&gt; template arguments.</p></li><li class="listitem"><p><span class="command"><strong><a class="command" href="ch03s05.html#backend-queues">Possibility to provide a
container</a></strong></span> for the event and deferred event queues. A
policy implementation based on a more efficient Boost.CircularBuffer
is provided.</p></li><li class="listitem"><p>msm::back::state_machine&lt;&gt;::is_flag_active method made
const.</p></li><li class="listitem"><p>added possibility to <span class="command"><strong><a class="command" href="ch03s05.html#backend-enqueueing">enqueue events</a></strong></span> for delayed processing.</p></li><li class="listitem"><p>Bugfixes</p><div class="itemizedlist"><ul class="itemizedlist" type="circle"><li class="listitem"><p>Trac 4926</p></li><li class="listitem"><p>stack overflow using the Defer functor</p></li><li class="listitem"><p>anonymous transition of a submachine not called for
the initial state</p></li></ul></div></li></ul></div><p>
</p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch08.html">Prev</a>&nbsp;</td><td width="20%" align="center"><a accesskey="u" href="ch08.html">Up</a></td><td width="40%" align="right">&nbsp;<a accesskey="n" href="ch08s03.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter&nbsp;8.&nbsp;Version history&nbsp;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&nbsp;From V2.10 to V2.12 (Boost 1.45)</td></tr></table></div></body></html>