roc/examples/benchmarks/TestAStar.roc
2021-12-21 17:17:31 -08:00

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app "test-astar"
packages { pf: "platform" }
imports [ pf.Task, AStar ]
provides [ main ] to pf
main : Task.Task {} []
main =
Task.putLine (showBool test1)
# Task.after Task.getInt \n ->
# when n is
# 1 ->
# Task.putLine (showBool test1)
#
# _ ->
# ns = Num.toStr n
# Task.putLine "No test \(ns)"
showBool : Bool -> Str
showBool = \b ->
when b is
True ->
"True"
False ->
"False"
test1 : Bool
test1 =
example1 == [ 2, 4 ]
example1 : List I64
example1 =
step : I64 -> Set I64
step = \n ->
when n is
1 ->
Set.fromList [ 2, 3 ]
2 ->
Set.fromList [ 4 ]
3 ->
Set.fromList [ 4 ]
_ ->
Set.fromList []
cost : I64, I64 -> F64
cost = \_, _ -> 1
when AStar.findPath cost step 1 4 is
Ok path ->
path
Err _ ->
[]