Changeset 720:193d881b23ad in lemon-0.x for src/hugo

Timestamp:

07/21/04 19:38:02 (20 years ago)

Author:

Alpar Juttner

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@974

Message:

MapBase? added

File:

• src/hugo/maps.h (modified) (3 diffs)

src/hugo/maps.h

@@ -13 +13 @@
 namespace hugo {
 
+  /// Base class of maps.
+
+  template<typename K, typename T>
+  class MapBase
+  {
+  public:
+    ///
+    typedef K KeyType;
+    ///
+    typedef T ValueType;
+  };
+
   /// Null map. (aka DoNothingMap)
 
@@ -19 +31 @@
   /// data written to it...
   template<typename K, typename T>
-  class NullMap
+  class NullMap : public MapBase<K,T>
   {
   public:
-    typedef K KeyType;
-    typedef T ValueType;
 
     T operator[](const K&) const { return T(); }
@@ -38 +48 @@
   /// In other aspects it is equivalent to the \ref NullMap
   template<typename K, typename T>
-  class ConstMap
+  class ConstMap : public MapBase<K,T>
   {
     T v;
   public:
-    typedef K KeyType;
-    typedef T ValueType;
 
     ConstMap() {}