From: ahd6974-boostorg_at_[hidden]
Date: 2007-11-15 14:22:12
Author: andreas_huber69
Date: 2007-11-15 14:22:12 EST (Thu, 15 Nov 2007)
New Revision: 41114
URL: http://svn.boost.org/trac/boost/changeset/41114
Log:
Added new FAQ item suggested by Chris Paulse.
Text files modified:
trunk/libs/statechart/doc/faq.html | 24 ++++++++++++++++++++++--
1 files changed, 22 insertions(+), 2 deletions(-)
Modified: trunk/libs/statechart/doc/faq.html
==============================================================================
--- trunk/libs/statechart/doc/faq.html (original)
+++ trunk/libs/statechart/doc/faq.html 2007-11-15 14:22:12 EST (Thu, 15 Nov 2007)
@@ -53,6 +53,9 @@
<dt><a href="#CompilerError">My compiler reports an error in the library
code. Is this a bug in Boost.Statechart?</a></dt>
+ <dt><a href="#DisableHistory">Is it possible to disable history for a
+ state at runtime?</a></dt>
+
<dt><a href="#Dll">How can I compile a state machine into a dynamic link
library (DLL)?</a></dt>
@@ -505,6 +508,23 @@
problem. Thank you!</li>
</ol>
+ <h2><a name="DisableHistory" id="DisableHistory">Is it possible to disable
+ history for a state at runtime?</a></h2>
+
+ <p>Yes, see <a href=
+ "reference.html#clear_shallow_history">simple_state::clear_shallow_history()</a>
+ and <a href=
+ "reference.html#clear_deep_history">simple_state::clear_deep_history()</a>.
+ Calling these functions is often preferable to introducting additional
+ normal transitions when ...
+ <ul>
+ <li>a state with history is the target of many transitions,
+ <b>and/or</b></li>
+ <li>the decision to ignore history is made in a different place than
+ the transition to a state with history</li>
+ </ul>
+ </p>
+
<h2><a name="Dll" id="Dll">How can I compile a state machine into a dynamic
link library (DLL)?</a></h2>
@@ -713,9 +733,9 @@
height="31" width="88"></a></p>
<p>Revised
- <!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan -->03 December, 2006<!--webbot bot="Timestamp" endspan i-checksum="38512" --></p>
+ <!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan -->15 November, 2007<!--webbot bot="Timestamp" endspan i-checksum="38512" --></p>
- <p><i>Copyright © 2003-<!--webbot bot="Timestamp" s-type="EDITED" s-format="%Y" startspan -->2006<!--webbot bot="Timestamp" endspan i-checksum="770" -->
+ <p><i>Copyright © 2003-<!--webbot bot="Timestamp" s-type="EDITED" s-format="%Y" startspan -->2007<!--webbot bot="Timestamp" endspan i-checksum="770" -->
<a href="contact.html">Andreas Huber Dönni</a></i></p>
<p><i>Distributed under the Boost Software License, Version 1.0. (See