Merge: new `with` statement

[nit.git] / lib / ai / search.nit

diff --git a/lib/ai/search.nit b/lib/ai/search.nit
index 64904ee..f406949 100644 (file)
--- a/lib/ai/search.nit
+++ b/lib/ai/search.nit
@@ -159,8 +159,6 @@ interface SearchProblem[S: Object, A]
        # `steps` is the maximum number of steps a giver configuration can run.
        fun run_configs(steps: Int)
        do
-               var s
-
                var c = 0
                loop
                        if astar.run_config(steps, c, "A*") then break
@@ -597,7 +595,7 @@ class SearchSolver[S: Object, A]
                print msg
 
                var t = new Clock
-               var res = run_steps(steps)
+               run_steps(steps)
                print "\t{self}"
                var l = t.lapse
                print "\ttime={l}"
@@ -733,7 +731,7 @@ class SearchNode[S: Object, A]
                print "result:{state}"
                for n in path do
                        var a = n.action
-                       if a != null then print "    + {a or else ""}"
+                       if a != null then print "    + {a}"
                        print "  {n.steps}: {n.state} ({n.cost}$)"
                end
        end