From b4c77e8101d78ec3da5e3f8ba89ef1f5754f49e8 Mon Sep 17 00:00:00 2001
From: Christian Muehlhaeuser <muesli@gmail.com>
Date: Sun, 8 Dec 2019 13:52:22 +0100
Subject: [PATCH] Add BlockStack.Len() for convenience

---
 blockstack.go | 4 ++++
 gold.go       | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/blockstack.go b/blockstack.go
index 67b70a2..8393eec 100644
--- a/blockstack.go
+++ b/blockstack.go
@@ -11,6 +11,10 @@ type BlockElement struct {
 
 type BlockStack []BlockElement
 
+func (s *BlockStack) Len() int {
+	return len(*s)
+}
+
 func (s *BlockStack) Push(e BlockElement) {
 	*s = append(*s, e)
 }
diff --git a/gold.go b/gold.go
index ec73ecf..450d8ac 100644
--- a/gold.go
+++ b/gold.go
@@ -100,7 +100,7 @@ func (tr *TermRenderer) RenderNode(w io.Writer, node *bf.Node, entering bool) bf
 
 	e := tr.NewElement(node)
 	if entering {
-		if len(*bs) > 0 {
+		if bs.Len() > 0 {
 			writeTo = io.Writer(bs.Current().Block)
 		}
 		_, _ = writeTo.Write([]byte(e.Entering))
@@ -113,7 +113,7 @@ func (tr *TermRenderer) RenderNode(w io.Writer, node *bf.Node, entering bool) bf
 			}
 		}
 	} else {
-		if len(*bs) > 0 {
+		if bs.Len() > 0 {
 			writeTo = io.Writer(bs.Parent().Block)
 		}