# HG changeset patch
# User deba
# Date 1131101713 0
# Node ID 0bb3fb3baffdba564fa7cba8400e244513785914
# Parent  4bfe670710e00c8988306b3a85ca3d6e85e1218c
Increment and decrement operator for IterableIntMap::Reference

diff -r 4bfe670710e0 -r 0bb3fb3baffd lemon/iterable_maps.h
--- a/lemon/iterable_maps.h	Fri Nov 04 10:51:35 2005 +0000
+++ b/lemon/iterable_maps.h	Fri Nov 04 10:55:13 2005 +0000
@@ -275,7 +275,7 @@
     typedef int Value;
     typedef _Graph Graph;
 
-    IterableIntMap(const Graph& graph) : Parent(graph) {}
+    explicit IterableIntMap(const Graph& graph) : Parent(graph) {}
 
   private:
     
@@ -333,6 +333,24 @@
 	_map.set(_key, value); 
 	return *this; 
       }
+      Reference& operator++() {
+	_map.set(_key, _map[_key] + 1); 
+	return *this; 	
+      }
+      int operator++(int) {
+	int value = _map[_key];
+	_map.set(_key, value + 1); 
+	return value; 	
+      }
+      Reference& operator--() {
+	_map.set(_key, _map[_key] - 1); 
+	return *this; 	
+      }
+      int operator--(int) {
+	int value = _map[_key];
+	_map.set(_key, value - 1); 
+	return value; 	
+      }
       Reference& operator+=(int value) { 
 	_map.set(_key, _map[_key] + value); 
 	return *this;