pointerify the things

render.go

@@ -38,10 +38,10 @@ func RenderHeading(obj GemtextObject) (string, error) {
 	return strings.Repeat("#", obj.Level) + " " + obj.Text, nil
 }
 
-// RenderGemtext takes a GemtextPage and renders it into Gemtext.
-func RenderGemtext(p GemtextPage) (string, error) {
+// RenderGemtext takes a *GemtextPage and renders it into Gemtext.
+func RenderGemtext(p *GemtextPage) (string, error) {
 	str := ""
-	for _, o := range p {
+	for _, o := range *p {
 		switch {
 			case o.Type == TEXT:
 				str += o.Text + "\n"
@@ -70,14 +70,14 @@ func RenderGemtext(p GemtextPage) (string, error) {
 	return str, nil
 }
 
-// RenderHTML renders a GemtextPage p to a string containing html.
-func RenderHTML(p GemtextPage) (string, error) {
+// RenderHTML renders a *GemtextPage p to a string containing html.
+func RenderHTML(p *GemtextPage) (string, error) {
 	escape := html.EscapeString // for brevity
 	listmode := false
 	quotemode := false
 	premode := false
 	var s string
-	for _, item := range p {
+	for _, item := range *p {
 		if listmode {
 			if item.Type != LIST {
 				s += "</ul>"

render_test.go

@@ -48,7 +48,7 @@ func TestRenderHeading(t *testing.T) {
 }
 
 func TestRenderHTML(t *testing.T) {
-	out, _ := RenderHTML(testdocumenttree)
+	out, _ := RenderHTML(&testdocumenttree)
 	want := "<h1>Document</h1><p>This is paragraph text &amp; It exists</p><a href=\"https://example.com\">example.com</a><br /><ul><li>List Item 1</li><li>List Item 2</li></ul><pre>this should be preformatted.\n=&gt; https://example.com Not a link\n</pre><ul><li>A single list item</li></ul><pre>one line of pre\n</pre><pre></pre><blockquote>Something\n- someone\n</blockquote>"
 	if out != want {
 		t.Errorf("Got %#v want %#v", out, want)