Changeset 890:3a48bc350e0f in lemon-0.x

Timestamp:

09/20/04 19:53:33 (20 years ago)

Author:

marci

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@1198

Message:

Specialized ConstMap? for defining constant maps at compile time, by klao.
Time comparision of the generic and specialized maps.

Location:

src

Files:

• hugo/maps.h (modified) (1 diff)
• work/marci/const_map_time.cc (added)

src/hugo/maps.h

@@ -77 +77 @@
   };
 
-
+  //to document later
+  template<typename T, T v>
+  struct Const { };
+  //to document later
+  template<typename K, typename V, V v>
+  class ConstMap<K, Const<V, v> > : public MapBase<K, V>
+  {
+  public:
+    ConstMap() { }
+    V operator[](const K&) const { return v; }
+    void set(const K&, const V&) { }
+  };
+  //to document later
+  typedef Const<bool, true> True;
+  typedef Const<bool, false> False;
 
   /// \c std::map wrapper