D  
DRAW [Avl_draw] 
The client must provide drawing functions which fullfills the
signature
DRAW .

G  
GRAPH [Avl_draw] 
The client must provide an implementation of graphs which fullfills the
signature
GRAPH .

GRAPH [Avl_kernel] 
The client must provide an implementation of graph which
fullfills the signature
GRAPH .

GRAPH [Avl_closure] 
The client must provide an implementation of graph which
fullfills the signature
GRAPH .

GRAPH [Avl_tarjan] 
The client must provide an implementation of graphs which fullfills the
signature
GRAPH .

GRAPH [Avl_topo]  
GRAPH_acyclic [Avl_kernel] 
For this implementation, the client must provide an implementation of
graph which fullfills the signature
GRAPH_acyclic .

I  
INPUT [Avl_graphviz.Neato]  
INPUT [Avl_graphviz.Dot] 