Changeset 351:01fb9da7a363 in lemon-0.x

Timestamp:

04/17/04 21:54:04 (20 years ago)

Author:

Alpar Juttner

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@470

Message:

NullMap?

File:

• src/work/alpar/rw_nonref_map.cc (modified) (1 diff)

src/work/alpar/rw_nonref_map.cc

@@ -44 +44 @@
 };
 
+template<class K,class T>
+class NullMap
+{
+public:
+  typedef K KeyType;
+  typedef T ValueType;
+  
+  class RefType 
+  {
+    ValueType val;
+  public:
+    RefType(ValueType v) : val(v) { }   
+    operator ValueType() const { return val; }
+    ValueType operator = (ValueType v) const { return val; }
+  };
+  
+private:
+  ValueType val;
+public:
+  NullMap(ValueType v) : val(v) { }
+  RefType operator[] (KeyType e) const { return RefType(v);}  
+};
+
 int main()
 {