ceph/src/boost/libs/concept_check/doc/reference/DefaultConstructible.xml

   1 <?xml version="1.0"?>
   2 <concept name="DefaultConstructible" category="Utility"><!--
   3 Based on concepts from the SGI Standard Template Library documentation:
   4 Copyright (c) 1996-1999
   5 Silicon Graphics Computer Systems, Inc.
   6
   7 Copyright (c) 1994
   8 Hewlett-Packard Company
   9 --><!--
  10 Copyright 2000-2001 University of Notre Dame du Lac.
  11 Copyright 2001-2002 Indiana University.
  12 Some concepts based on versions from the MTL draft manual and Boost Graph
  13 and Property Map documentation:
  14 Copyright (c) Jeremy Siek, Lie-Quan Lee, and Andrew Lumsdaine 2000
  15 -->
  16   <param name="X" role="default-constructible-type"/>
  17
  18   <models-sentence>The type <arg num="1"/> must be a model of <self/>.</models-sentence>
  19
  20   <description><para>DefaultConstructible objects only need to have a default
  21   constructor.</para></description>
  22
  23   <valid-expression name="Construction">
  24     <construct template-parameters="">
  25       <type name="X"/>
  26     </construct>
  27     <return-type><require-same-type testable="yes"><type name="X"/></require-same-type></return-type>
  28     <semantics>Construct an instance of the type with default parameters.</semantics>
  29   </valid-expression>
  30
  31   <example-model>
  32     <type name="int"/>
  33   </example-model>
  34
  35   <example-model>
  36     <apply-template name="std::vector">
  37       <type name="double"/>
  38     </apply-template>
  39   </example-model>
  40 </concept>