module documentation

Provides several example applications as subclasses of the EulerTour class.

Class BinaryEulerTour Abstract base class for performing Euler tour of a binary tree.
Class BinaryLayout Class for computing (x,y) coordinates for each node of a binary tree.
Class DiskSpaceTour Undocumented
Class ParenthesizeTour Undocumented
Class PreorderPrintIndentedLabeledTour Undocumented
Class PreorderPrintIndentedTour Undocumented