projects / ceph.git / blame
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1 | <HTML> |
| 2 | <!-- | |
| 3 | Copyright (c) Jeremy Siek 2000 | |
| 4 | ||
| 5 | Distributed under the Boost Software License, Version 1.0. | |
| 6 | (See accompanying file LICENSE_1_0.txt or copy at | |
| 7 | http://www.boost.org/LICENSE_1_0.txt) | |
| 8 | --> | |
| 9 | <Head> | |
| 10 | <Title>Read Write Property Map</Title> | |
| 11 | <BODY BGCOLOR="#ffffff" LINK="#0000ee" TEXT="#000000" VLINK="#551a8b" | |
| 12 | ALINK="#ff0000"> | |
| 13 | <IMG SRC="../../../boost.png" | |
| 14 | ALT="C++ Boost" width="277" height="86"> | |
| 15 | ||
| 16 | <BR Clear> | |
| 17 | ||
| 18 | <H2> | |
| 19 | <A NAME="concept:ReadWritePropertyMap"></A> | |
| 20 | <BR> | |
| 21 | Read/Write Property Map | |
| 22 | </H2> | |
| 23 | ||
| 24 | A Read/Write Property Map can be used to read property values via | |
| 25 | the <tt>get()</tt> function and can be used to write property values | |
| 26 | via the <tt>put()</tt> function. | |
| 27 | ||
| 28 | <H3>Refinement of</H3> | |
| 29 | ||
| 30 | <a href="./ReadablePropertyMap.html">Readable Property Map</a> | |
| 31 | and | |
| 32 | <a href="./WritablePropertyMap.html">Writable Property Map</a> | |
| 33 | ||
| 34 | ||
| 35 | ||
| 36 | <h3>Notation</h3> | |
| 37 | ||
| 38 | <Table> | |
| 39 | <TR> | |
| 40 | <TD><tt>PMap</tt></TD> | |
| 41 | <TD>A type that is a model of Read/Write Property Map.</TD> | |
| 42 | </TR> | |
| 43 | ||
| 44 | </table> | |
| 45 | ||
| 46 | <h2>Associated Types</h2> | |
| 47 | ||
| 48 | <table border> | |
| 49 | ||
| 50 | <tr> | |
| 51 | <td>Property Map Category | |
| 52 | <td><TT>boost::property_traits<PMap>::category</TT></td> | |
| 53 | <td> | |
| 54 | The category of the property map must be a type convertible to | |
| 55 | <TT>read_write_property_map_tag</TT>. | |
| 56 | </td> | |
| 57 | </tr> | |
| 58 | ||
| 59 | </table> | |
| 60 | ||
| 61 | ||
| 62 | <h3>Concept Checking Class</h3> | |
| 63 | ||
| 64 | <pre> | |
| 65 | template <class PMap, class Key> | |
| 66 | struct ReadWritePropertyMapConcept | |
| 67 | { | |
| 68 | typedef typename property_traits<PMap>::category Category; | |
| 69 | typedef boost::read_write_property_map_tag ReadWriteTag; | |
| 70 | void constraints() { | |
| 71 | function_requires< ReadablePropertyMapConcept<PMap, Key> >(); | |
| 72 | function_requires< WritablePropertyMapConcept<PMap, Key> >(); | |
| 73 | function_requires< ConvertibleConcept<Category, ReadWriteTag> >(); | |
| 74 | } | |
| 75 | }; | |
| 76 | </pre> | |
| 77 | ||
| 78 | <h3>See Also</h3> | |
| 79 | ||
| 80 | <a href="./property_map.html">Property map concepts</a> | |
| 81 | ||
| 82 | ||
| 83 | <br> | |
| 84 | <HR> | |
| 85 | <TABLE> | |
| 86 | <TR valign=top> | |
| 87 | <TD nowrap>Copyright © 2000</TD><TD> | |
| 88 | <a HREF="http://www.boost.org/people/jeremy_siek.htm">Jeremy Siek</a>, Univ.of Notre Dame (<A HREF="mailto:jsiek@lsc.nd.edu">jsiek@lsc.nd.edu</A>) | |
| 89 | </TD></TR></TABLE> | |
| 90 | ||
| 91 | </BODY> | |
| 92 | </HTML> |