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| author | Andreas Grois <andi@grois.info> | 2025-10-12 18:44:32 +0200 |
|---|---|---|
| committer | Andreas Grois <andi@grois.info> | 2025-10-12 18:44:32 +0200 |
| commit | 6aaa70943202efaa1e6b4ff8b6b8b6b94a564040 (patch) | |
| tree | 171a1a1b459b82f016e756e8649767a2d1311160 /Day8.lean | |
| parent | 2a9261d1ba962deff9fcc1784be44563af513af5 (diff) | |
Lean 4.19
Diffstat (limited to 'Day8.lean')
| -rw-r--r-- | Day8.lean | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -50,7 +50,7 @@ private def parseWaypoints (input : List String) : Except String $ List Waypoint open Std in private def validateWaypointLinks (waypoints : List Waypoint) : Bool := - let validLinks := HashSet.insertMany HashSet.empty $ waypoints.map Waypoint.id + let validLinks := HashSet.insertMany HashSet.emptyWithCapacity $ waypoints.map Waypoint.id waypoints.all λw ↦ validLinks.contains w.left && validLinks.contains w.right def target : WaypointId := "ZZZ" |