feat: add Name() to expose DMap name

dmap.go

@@ -28,7 +28,7 @@ type dmap struct {
 	storage *storage.Storage
 }
 
-// dmap represents a distributed map instance.
+// DMap represents a distributed map instance.
 type DMap struct {
 	name string
 	db   *Olric
@@ -51,6 +51,11 @@ func (db *Olric) NewDMap(name string) (*DMap, error) {
 	}, nil
 }
 
+// Name exposes DMap name.
+func (dm *DMap) Name() string {
+	return dm.name
+}
+
 // createDMap creates and returns a new dmap, internal representation of a dmap. This function is not thread-safe.
 func (db *Olric) createDMap(part *partition, name string, str *storage.Storage) (*dmap, error) {
 	// create a new map here.

dmap_test.go

@@ -265,6 +265,10 @@ func TestDMap_Standalone(t *testing.T) {
 		t.Fatalf("Expected value %v. Got: %v", value, val)
 	}
 
+	if d.Name() != d.name {
+		t.Fatalf("Expected DMap name: %s. Got: %s", d.name, d.Name())
+	}
+
 	// Delete it and check again.
 	err = d.Delete(key)
 	if err != nil {