;;; internals
;;; ---------------------------------------------------------------------------
-(defmethod add-vertex ((graph basic-graph) (value basic-vertex) &key if-duplicate-do)
+(defmethod add-vertex
+ ((graph basic-graph) (value basic-vertex) &key if-duplicate-do)
(declare (ignore if-duplicate-do))
(values value))
;;; ---------------------------------------------------------------------------
-(defun map-shortest-paths (graph start-vertex depth fn &key (filter (constantly t)))
+(defun map-shortest-paths
+ (graph start-vertex depth fn &key (filter (constantly t)))
"Apply fn to each shortest path starting at `start-vertex` of depth `depth`. The `filter` predicate is used to remove vertexes from consideration."
(bind ((visited (make-container 'simple-associative-container
:test #'equal)))