From 65c8b28ca1ca182c9125a068c9aaef7492236391 Mon Sep 17 00:00:00 2001
From: Andrey Grazhdankov <grazhdankov@gmail.com>
Date: Mon, 11 Nov 2024 05:10:21 +0300
Subject: [PATCH] Fix encode []*time.Time - check nil (#524)

---
 encode_test.go              | 5 +++++
 internal/encoder/encoder.go | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/encode_test.go b/encode_test.go
index 1165f6a..ede0568 100644
--- a/encode_test.go
+++ b/encode_test.go
@@ -426,6 +426,11 @@ func Test_Marshal(t *testing.T) {
 			assertErr(t, err)
 			assertEq(t, "[]interface{}", `[1,2.1,"hello"]`, string(bytes))
 		})
+		t.Run("[]*time.Time", func(t *testing.T) {
+			bytes, err := json.Marshal([]*time.Time{nil})
+			assertErr(t, err)
+			assertEq(t, "[]*time.Time", `[null]`, string(bytes))
+		})
 	})
 
 	t.Run("array", func(t *testing.T) {
diff --git a/internal/encoder/encoder.go b/internal/encoder/encoder.go
index 14eb6a0..b436f5b 100644
--- a/internal/encoder/encoder.go
+++ b/internal/encoder/encoder.go
@@ -406,6 +406,11 @@ func AppendMarshalJSON(ctx *RuntimeContext, code *Opcode, b []byte, v interface{
 			rv = newV
 		}
 	}
+
+	if rv.Kind() == reflect.Ptr && rv.IsNil() {
+		return AppendNull(ctx, b), nil
+	}
+
 	v = rv.Interface()
 	var bb []byte
 	if (code.Flags & MarshalerContextFlags) != 0 {