maps: Add HasKey and HaveAnyKeysInCommon functions, use them

2 files changed, 6 insertions, 18 deletions

diff --git a/cmd/btrfs-rec/inspect/rebuildmappings/process.go b/cmd/btrfs-rec/inspect/rebuildmappings/process.go
index 7a49cc6..2e694b5 100644
--- a/cmd/btrfs-rec/inspect/rebuildmappings/process.go
+++ b/cmd/btrfs-rec/inspect/rebuildmappings/process.go
@@ -38,7 +38,7 @@ func RebuildMappings(ctx context.Context, fs *btrfs.FS, scanResults ScanDevicesR
 	devIDs := maps.SortedKeys(scanResults)
 	devices := fs.LV.PhysicalVolumes()
 	for _, devID := range devIDs {
-		if _, ok := devices[devID]; !ok {
+		if !maps.HasKey(devices, devID) {
 			return fmt.Errorf("device ID %v mentioned in scan results is not part of the filesystem", devID)
 		}
 		devResults := scanResults[devID]
diff --git a/cmd/btrfs-rec/inspect/rebuildtrees/rebuild.go b/cmd/btrfs-rec/inspect/rebuildtrees/rebuild.go
index 0d25ac3..2160969 100644
--- a/cmd/btrfs-rec/inspect/rebuildtrees/rebuild.go
+++ b/cmd/btrfs-rec/inspect/rebuildtrees/rebuild.go
@@ -517,24 +517,12 @@ func (o *rebuilder) resolveTreeAugments(ctx context.Context, treeID btrfsprim.Ob
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 func (queue *treeAugmentQueue) has(wantKey want) bool {
-	if queue != nil {
-		if queue.zero != nil {
-			if _, ok := queue.zero[wantKey]; ok {
-				return true
-			}
-		}
-		if queue.single != nil {
-			if _, ok := queue.single[wantKey]; ok {
-				return true
-			}
-		}
-		if queue.multi != nil {
-			if _, ok := queue.multi[wantKey]; ok {
-				return true
-			}
-		}
+	if queue == nil {
+		return false
 	}
-	return false
+	return (queue.zero != nil && maps.HasKey(queue.zero, wantKey)) ||
+		(queue.single != nil && maps.HasKey(queue.single, wantKey)) ||
+		(queue.multi != nil && maps.HasKey(queue.multi, wantKey))
 }
 
 func (queue *treeAugmentQueue) store(wantKey want, choices containers.Set[btrfsvol.LogicalAddr]) {