cost ( from to astar -- n )

Vocabulary

path-finding

Inputs

from	a node
to	a node
astar	an instance of a subclassed astar tuple

Outputs

n

a number

Word description

Return the cost to go from from to to. to is necessarily a neighbor of from.

Definition

IN: path-finding

GENERIC: cost ( from to astar -- n )

Methods

USING: accessors combinators path-finding path-finding.private ;

M: astar-simple cost cost>> ( n1 n2 -- c ) call-effect ;


USING: kernel path-finding path-finding.private ;

M: bfs cost 3drop 1 ;


USING: accessors assocs kernel path-finding path-finding.private
;

M: dijkstra cost costs>> swapd at at ;