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| 2 | <head> | |
| 3 | <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> | |
| 4 | <title>So How are Policies Used Anyway?</title> | |
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| 8 | <link rel="up" href="../pol_tutorial.html" title="Policy Tutorial"> | |
| 9 | <link rel="prev" href="policy_tut_defaults.html" title="Policies Have Sensible Defaults"> | |
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| 22 | <div class="spirit-nav"> | |
| 23 | <a accesskey="p" href="policy_tut_defaults.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../pol_tutorial.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="changing_policy_defaults.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> | |
| 24 | </div> | |
| 25 | <div class="section"> | |
| 26 | <div class="titlepage"><div><div><h3 class="title"> | |
| 27 | <a name="math_toolkit.pol_tutorial.policy_usage"></a><a class="link" href="policy_usage.html" title="So How are Policies Used Anyway?">So How are Policies | |
| 28 | Used Anyway?</a> | |
| 29 | </h3></div></div></div> | |
| 30 | <p> | |
| 31 | The details follow later, but basically policies can be set by either: | |
| 32 | </p> | |
| 33 | <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> | |
| 34 | <li class="listitem"> | |
| 35 | Defining some macros that change the default behaviour: <span class="bold"><strong>this | |
| 36 | is the recommended method for setting installation-wide policies</strong></span>. | |
| 37 | </li> | |
| 38 | <li class="listitem"> | |
| 39 | By instantiating a distribution object with an explicit policy: this | |
| 40 | is mainly reserved for ad hoc policy changes. | |
| 41 | </li> | |
| 42 | <li class="listitem"> | |
| 43 | By passing a policy to a special function as an optional final argument: | |
| 44 | this is mainly reserved for ad hoc policy changes. | |
| 45 | </li> | |
| 46 | <li class="listitem"> | |
| 47 | By using some helper macros to define a set of functions or distributions | |
| 48 | in the current namespace that use a specific policy: <span class="bold"><strong>this | |
| 49 | is the recommended method for setting policies on a project- or translation-unit-wide | |
| 50 | basis</strong></span>. | |
| 51 | </li> | |
| 52 | </ul></div> | |
| 53 | <p> | |
| 54 | The following sections introduce these methods in more detail. | |
| 55 | </p> | |
| 56 | </div> | |
| 57 | <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> | |
| 58 | <td align="left"></td> | |
| 59 | <td align="right"><div class="copyright-footer">Copyright © 2006-2010, 2012-2014 Nikhar Agrawal, | |
| 60 | Anton Bikineev, Paul A. Bristow, Marco Guazzone, Christopher Kormanyos, Hubert | |
| 61 | Holin, Bruno Lalande, John Maddock, Jeremy Murphy, Johan Råde, Gautam Sewani, | |
| 62 | Benjamin Sobotta, Thijs van den Berg, Daryle Walker and Xiaogang Zhang<p> | |
| 63 | Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 64 | 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>) | |
| 65 | </p> | |
| 66 | </div></td> | |
| 67 | </tr></table> | |
| 68 | <hr> | |
| 69 | <div class="spirit-nav"> | |
| 70 | <a accesskey="p" href="policy_tut_defaults.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../pol_tutorial.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="changing_policy_defaults.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> | |
| 71 | </div> | |
| 72 | </body> | |
| 73 | </html> |