| <?xml version="1.0"?> |
| <concept name="EqualityComparable" 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="comparable-type"/> |
| |
| <models-sentence>The type <arg num="1"/> must be a model of |
| <self/>.</models-sentence> |
| |
| <description><para>Equality Comparable types must have <code>==</code> and |
| <code>!=</code> operators.</para></description> |
| |
| <notation variables="x y"> |
| <sample-value> |
| <type name="X"/> |
| </sample-value> |
| </notation> |
| |
| <valid-expression name="Equality test"> |
| <equal-to> |
| <sample-value><type name="X"/></sample-value> |
| <sample-value><type name="X"/></sample-value> |
| </equal-to> |
| <return-type> |
| <convertible-to testable="yes"> |
| <type name="bool"/> |
| </convertible-to> |
| </return-type> |
| </valid-expression> |
| |
| <valid-expression name="Inequality test"> |
| <not-equal-to> |
| <sample-value><type name="X"/></sample-value> |
| <sample-value><type name="X"/></sample-value> |
| </not-equal-to> |
| <return-type> |
| <convertible-to testable="yes"> |
| <type name="bool"/> |
| </convertible-to> |
| </return-type> |
| </valid-expression> |
| |
| <example-model> |
| <type name="int"/> |
| </example-model> |
| |
| <example-model> |
| <apply-template name="std::vector"> |
| <type name="int"/> |
| </apply-template> |
| </example-model> |
| </concept> |