Added Terms type

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Added
 - Changelog
+- `hatmill.Terms` type for representing lists of nodes
 
 ## [0.0.1] - 2019-04-28
 

hatmill.go

@@ -85,7 +85,7 @@ func (e VoidElement) WriteTo(w io.Writer) (n int64, err error) {
 // ParentElement represents an HTML element that can have children.
 type ParentElement struct {
 	VoidElement
-	Children []Term
+	Children Terms
 }
 
 func (e ParentElement) isHtml() {}
@@ -100,14 +100,12 @@ func (e ParentElement) WriteTo(w io.Writer) (n int64, err error) {
 		return
 	}
 
-	for _, child := range e.Children {
-		var nCurr int64
-		nCurr, err = child.WriteTo(w)
-		n += int64(nCurr)
+	var nChildren int64
+	nChildren, err = e.Children.WriteTo(w)
+	n += nChildren
 	if err != nil {
 		return
 	}
-	}
 
 	err = writeStringsTo(w, &n, "</", e.TagName, ">")
 	return
@@ -139,3 +137,20 @@ func WriteDocument(w io.Writer, root ParentElement) (n int64, err error) {
 	n += nroot
 	return
 }
+
+// Terms is a list of HTML nodes.
+type Terms []Term
+
+func (Terms) isHtml() {}
+
+func (ts Terms) WriteTo(w io.Writer) (n int64, err error) {
+	for _, t := range ts {
+		var nCurr int64
+		nCurr, err = t.WriteTo(w)
+		n += int64(nCurr)
+		if err != nil {
+			return
+		}
+	}
+	return
+}