updated docs

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%404163

docs/docs/metaprogramming.xml

@@ -46,6 +46,7 @@
          <item>is_rand</item>
          <item>is_matrix</item>
          <item>is_std_vector</item>
+         <item>is_pair</item>
          <item>is_directed_graph</item>
          <item>is_built_in_scalar_type</item>
          <item>promote</item>
@@ -352,6 +353,19 @@
          
       </component>
       
+   <!-- ************************************************************************* -->
+      
+      <component>
+         <name>is_pair</name>
+         <file>dlib/is_kind.h</file>
+         <spec_file link="true">dlib/is_kind.h</spec_file>
+         <description>
+            This is a template where is_pair&lt;T&gt;::value == true when T
+            is a std::pair object.
+         </description>
+         
+      </component>
+      
    <!-- ************************************************************************* -->
       
       

docs/docs/term_index.xml

@@ -444,6 +444,7 @@
          <term file="metaprogramming.html" name="is_rand"/>
          <term file="metaprogramming.html" name="is_matrix"/>
          <term file="metaprogramming.html" name="is_std_vector"/>
+         <term file="metaprogramming.html" name="is_pair"/>
          <term file="metaprogramming.html" name="is_directed_graph"/>
          <term file="metaprogramming.html" name="is_built_in_scalar_type"/>
          <term file="metaprogramming.html" name="promote"/>