As initial value of a new map expression with ()+-/* operators can be given. These operators work on numbers, or on maps. If maps are given, then the new value for a given graph element will be calculated using the value from the given maps that belong to that graph element.

/// The namespace of LEMON

/// \todo Some more detailed description would be nice here.

///

namespace lemon {

  /// The namespace of LEMON concepts and concept checking classes

  /// \todo Some more detailed description would be nice here.

  ///

  namespace concept {}

}