a_star: remove find_closest because of clpsure

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/lib/a_star.nit b/lib/a_star.nit
index c0c0962..5613cec 100644 (file)
--- a/lib/a_star.nit
+++ b/lib/a_star.nit
@@ -182,40 +182,6 @@ class Node
                        end
                end
        end
-
-       # Find closes node with matching caracteristic
-       # TODO remove closures
-       fun find_closest(max_to_search: Int): nullable N !with(n: N): Bool
-       do
-               if with(self) then return self
-
-               var frontier = new List[N]
-               graph.pathfinding_current_evocation += 1
-               var current_evocation = graph.pathfinding_current_evocation
-
-               frontier.add(self)
-               self.last_pathfinding_evocation = current_evocation
-
-               var i = 0
-               while not frontier.is_empty do
-                       var node = frontier.shift
-
-                       for link in node.links do
-                               var to = link.to
-                               if to.last_pathfinding_evocation != current_evocation then
-                                       if with(to) then return to
-
-                                       frontier.add(to)
-                                       to.last_pathfinding_evocation = current_evocation
-                               end
-                       end
-
-                       i += 1
-                       if i > max_to_search then return null
-               end
-
-               return null
-       end
 end
 
 # Link between two nodes and associated to a graph