Changeset 1531:a3b20dd847b5 in lemon-0.x for lemon/maps.h

Timestamp:

07/04/05 15:10:34 (19 years ago)

Author:

Balazs Dezso

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@2022

Message:

New graph copy interface

File:

• lemon/maps.h (modified) (1 diff)

lemon/maps.h

@@ -207 +207 @@
   /// @{
 
+  /// \brief Identity mapping.
+  ///
+  /// This mapping gives back the given key as value without any
+  /// modification. 
+  template <typename T>
+  class IdentityMap {
+  public:
+    typedef T Key;
+    typedef T Value;
+
+    const Value& operator[](const Key& t) const {
+      return t;
+    }
+  };
 
   ///Convert the \c Value of a maps to another type.