| <?xml version="1.0"?> |
| <concept name="DefaultConstructible" 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="default-constructible-type"/> |
| |
| <models-sentence>The type <arg num="1"/> must be a model of <self/>.</models-sentence> |
| |
| <description><para>DefaultConstructible objects only need to have a default |
| constructor.</para></description> |
| |
| <valid-expression name="Construction"> |
| <construct template-parameters=""> |
| <type name="X"/> |
| </construct> |
| <return-type><require-same-type testable="yes"><type name="X"/></require-same-type></return-type> |
| <semantics>Construct an instance of the type with default parameters.</semantics> |
| </valid-expression> |
| |
| <example-model> |
| <type name="int"/> |
| </example-model> |
| |
| <example-model> |
| <apply-template name="std::vector"> |
| <type name="double"/> |
| </apply-template> |
| </example-model> |
| </concept> |