README.org

@@ -10,18 +10,6 @@ https://pypi.org/project/template-nest/.
 
 * News
 
-** v0.1.6 - 2025-12-02
-
-+ Treat empty hash as nil
-
-  Tom: I think that if go's behaviour is to insert an empty map when nil is
-  returned as a templatenest.Hash, then we need to change the templatenest
-  behaviour to regard an empty map as being nil.
-
-** v0.1.5 - 2025-02-22
-
-+ Handle all pointer types generically.
-
 ** v0.1.4 - 2025-01-09
 
 + Fix nil pointer dereference error.

template_nest.go

@@ -283,15 +283,6 @@ func (nest *TemplateNest) Render(toRender interface{}) (string, error) {
 		return "", nil
 	}
 
-	// Handle pointer types generically
-	if reflect.TypeOf(toRender).Kind() == reflect.Ptr {
-		if reflect.ValueOf(toRender).IsNil() {
-			return "", nil
-		}
-		// Dereference the pointer and recursively call Render
-		return nest.Render(reflect.ValueOf(toRender).Elem().Interface())
-	}
-
 	if reflect.TypeOf(toRender).Kind() == reflect.Slice {
 		return nest.renderSlice(toRender)
 	}
@@ -303,6 +294,12 @@ func (nest *TemplateNest) Render(toRender interface{}) (string, error) {
 	case bool:
 		return fmt.Sprintf("%t", v), nil
 
+	case *string:
+		if v == nil {
+			return "", nil
+		}
+		return nest.Render(*v)
+
 	case string:
 		if nest.option.NoEscapeInput {
 			return v, nil
@@ -364,15 +361,10 @@ func (nest *TemplateNest) renderSlice(toRender interface{}) (string, error) {
 }
 
 func (nest *TemplateNest) renderHash(hash map[string]interface{}) (string, error) {
-	// If the hash is completely empty, return an empty string.
-	if len(hash) == 0 {
-		return "", nil
-	}
-
 	tLabel, ok := hash[*nest.option.NameLabel]
 	if !ok {
 		return "", fmt.Errorf(
-			"encountered hash with no name label (name label: `%+v`)", nest.option.NameLabel,
+			"encountered hash with no name label (name label: `%s`)", nest.option.NameLabel,
 		)
 	}
 

tests/01_render_test.go

@@ -174,19 +174,6 @@ func TestRenderNoNameLabel(t *testing.T) {
 	}
 }
 
-func TestRenderEmptyHash(t *testing.T) {
-	nest, err := templatenest.New(templatenest.Option{TemplateDir: "templates"})
-	if err != nil {
-		t.Fatalf("Failed to initialize TemplateNest: %+v", err)
-	}
-
-	page := templatenest.Hash{}
-
-	render, err := nest.Render(page)
-	assert.Nil(t, err)
-	assert.Equal(t, "", render)
-}
-
 func TestRenderSimplePageArrays(t *testing.T) {
 	nest, err := templatenest.New(templatenest.Option{
 		TemplateDir:   "templates",