# HG changeset patch
# User alpar
# Date 1080833551 0
# Node ID e9024dad7fc1b5b5638c778e39bf628519800182
# Parent  6179d85566e4959fa12518a57198e81e3dd82cf2
M_PI

diff -r 6179d85566e4 -r e9024dad7fc1 doc/maps.dox
--- a/doc/maps.dox	Wed Mar 31 17:57:15 2004 +0000
+++ b/doc/maps.dox	Thu Apr 01 15:32:31 2004 +0000
@@ -11,9 +11,10 @@
 This simple map assigns \f$\pi\f$ to each edge.
 
 \code
-class MyMap 
+struct MyMap 
 {
-  double operator[](Graph::EdgeIt e) const { return 1;}
+  typedef double ValueType;
+  double operator[](Graph::EdgeIt e) const { return M_PI;}
 };
 \endcode
 
@@ -28,6 +29,9 @@
   const Graph::EdgeMap &ol;
   const Graph::NodeMap &pot;
   
+public:
+  typedef double ValueType;
+
   double operator[](Graph::EdgeIt e) const {
     return ol.get(e)-pot.get(v)-pot.get(u);
   }
@@ -37,4 +41,5 @@
 };
 \endcode
 
+\todo Don't we need \e to \e require a 'typedef xxx KeyType' tag, as well?
 */