feat(app/edge-stacks): summarize the edge stack statuses in the backend (#818)

api/slicesx/unique.go

@@ -0,0 +1,21 @@
+package slicesx
+
+func Unique[T comparable](items []T) []T {
+	return UniqueBy(items, func(item T) T {
+		return item
+	})
+}
+
+func UniqueBy[ItemType any, ComparableType comparable](items []ItemType, accessorFunc func(ItemType) ComparableType) []ItemType {
+	includedItems := make(map[ComparableType]bool)
+	result := []ItemType{}
+
+	for _, item := range items {
+		if _, isIncluded := includedItems[accessorFunc(item)]; !isIncluded {
+			includedItems[accessorFunc(item)] = true
+			result = append(result, item)
+		}
+	}
+
+	return result
+}