2 files changed, 40 insertions, 0 deletions
diff --git a/nexus/utils/collections/maps.go b/nexus/utils/collections/maps.go
new file mode 100644
index 0000000..4536515
--- /dev/null
+++ b/nexus/utils/collections/maps.go
@@ -0,0 +1,37 @@
+package collections
+
+type OrderedMap[K comparable, V any] struct {
+	keys   []K
+	values map[K]V
+}
+
+func OrderedMapOf[K comparable, V any]() OrderedMap[K, V] {
+	return OrderedMap[K, V]{
+		keys:   make([]K, 0),
+		values: make(map[K]V),
+	}
+}
+
+func (self *OrderedMap[K, V]) Set(key K, value V) {
+	if _, exists := self.values[key]; !exists {
+		self.keys = append(self.keys, key)
+	}
+	self.values[key] = value
+}
+
+func (self *OrderedMap[K, V]) Get(key K) (V, bool) {
+	value, exists := self.values[key]
+	return value, exists
+}
+
+func (self *OrderedMap[K, V]) All() []V {
+	result := make([]V, 0, len(self.keys))
+	for _, key := range self.keys {
+		result = append(result, self.values[key])
+	}
+	return result
+}
+
+func (self *OrderedMap[K, V]) Len() int {
+	return len(self.keys)
+}
diff --git a/nexus/utils/collections/record.go b/nexus/utils/collections/record.go
new file mode 100644
index 0000000..18dbc2d
--- /dev/null
+++ b/nexus/utils/collections/record.go
@@ -0,0 +1,3 @@
+package collections
+
+type Record[K comparable, V any] = map[K]V