From 749611fa9fcc816e41c2b7ca2aae7a71fa87fccd Mon Sep 17 00:00:00 2001
From: Gustavo Niemeyer <gustavo@niemeyer.net>
Date: Thu, 7 Jan 2021 17:22:59 +0000
Subject: [PATCH] Allow encoding Node by value (#673).

---
 encode.go      | 5 +++++
 encode_test.go | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/encode.go b/encode.go
index 45e8d1e..de9e72a 100644
--- a/encode.go
+++ b/encode.go
@@ -120,6 +120,11 @@ func (e *encoder) marshal(tag string, in reflect.Value) {
 		e.nodev(in)
 		return
 	case Node:
+		if !in.CanAddr() {
+			var n = reflect.New(in.Type()).Elem()
+			n.Set(in)
+			in = n
+		}
 		e.nodev(in.Addr())
 		return
 	case time.Time:
diff --git a/encode_test.go b/encode_test.go
index 978d4d6..4a8bf2e 100644
--- a/encode_test.go
+++ b/encode_test.go
@@ -448,6 +448,14 @@ var marshalTests = []struct {
 			},
 		},
 		"value: 'foo'\n",
+	}, {
+		yaml.Node{
+			Kind:  yaml.ScalarNode,
+			Tag:   "!!str",
+			Value: "foo",
+			Style: yaml.SingleQuotedStyle,
+		},
+		"'foo'\n",
 	},
 
 	// Enforced tagging with shorthand notation (issue #616).