From a4f1e5c786bb9fedf9ed5b76b58a1c5142b693fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vytautas=20=C5=A0altenis?= <vytas@rtfb.lt>
Date: Wed, 27 Jul 2016 09:44:24 +0300
Subject: [PATCH] Limit Node.String() to print itself, no children

---
 node.go | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/node.go b/node.go
index d40cf8a..58f399f 100644
--- a/node.go
+++ b/node.go
@@ -128,6 +128,16 @@ func NewNode(typ NodeType) *Node {
 	}
 }
 
+func (n *Node) String() string {
+	ellipsis := ""
+	snippet := n.Literal
+	if len(snippet) > 16 {
+		snippet = snippet[:16]
+		ellipsis = "..."
+	}
+	return fmt.Sprintf("%s: '%s%s'", n.Type, snippet, ellipsis)
+}
+
 func (n *Node) unlink() {
 	if n.Prev != nil {
 		n.Prev.Next = n.Next
@@ -310,10 +320,6 @@ func (nw *NodeWalker) resumeAt(node *Node, entering bool) (*Node, bool) {
 	return nw.next()
 }
 
-func (ast *Node) String() string {
-	return dumpString(ast)
-}
-
 func dump(ast *Node) {
 	fmt.Println(dumpString(ast))
 }