60 lines
1.9 KiB
XML
60 lines
1.9 KiB
XML
<?xml version="1.0"?>
|
|
<concept name="Assignable" category="Utility"><!--
|
|
Based on concepts from the SGI Standard Template Library documentation:
|
|
Copyright (c) 1996-1999
|
|
Silicon Graphics Computer Systems, Inc.
|
|
|
|
Copyright (c) 1994
|
|
Hewlett-Packard Company
|
|
--><!--
|
|
Copyright 2000-2001 University of Notre Dame du Lac.
|
|
Copyright 2001-2002 Indiana University.
|
|
Some concepts based on versions from the MTL draft manual and Boost Graph
|
|
and Property Map documentation:
|
|
Copyright (c) Jeremy Siek, Lie-Quan Lee, and Andrew Lumsdaine 2000
|
|
-->
|
|
<param name="X" role="assignable-type"/>
|
|
|
|
<models-sentence>The type <arg num="1"/> must be a model of <self/>.</models-sentence>
|
|
|
|
<description>
|
|
<para>Assignable types must have copy constructors,
|
|
<code>operator=</code> for assignment, and the <code>swap()</code>
|
|
function defined.</para>
|
|
</description>
|
|
|
|
<notation variables="x y">
|
|
<sample-value>
|
|
<type name="X"/>
|
|
</sample-value>
|
|
</notation>
|
|
|
|
<refines const="no" concept="CopyConstructible"/>
|
|
|
|
<valid-expression name="Assignment">
|
|
<assign>
|
|
<sample-value><reference-to><type name="X"/></reference-to></sample-value>
|
|
<sample-value><const><reference-to><type name="X"/></reference-to></const></sample-value>
|
|
</assign>
|
|
<return-type>
|
|
<require-same-type testable="yes">
|
|
<reference-to><type name="X"/></reference-to>
|
|
</require-same-type>
|
|
</return-type>
|
|
<semantics>Require <code>operator=</code></semantics>
|
|
</valid-expression>
|
|
|
|
<valid-expression name="Swap">
|
|
<apply-function name="swap">
|
|
<sample-value><reference-to><type name="X"/></reference-to></sample-value>
|
|
<sample-value><reference-to><type name="X"/></reference-to></sample-value>
|
|
</apply-function>
|
|
<return-type><require-same-type><type name="void"/></require-same-type></return-type>
|
|
<semantics>Require <code>swap()</code> function</semantics>
|
|
</valid-expression>
|
|
|
|
<example-model>
|
|
<type name="int"/>
|
|
</example-model>
|
|
</concept>
|