From 6925dbdff191b554cb2aaddb24a403e1bffda8b6 Mon Sep 17 00:00:00 2001
From: Olivier Poitrey <rs@rhapsodyk.net>
Date: Fri, 19 May 2017 19:56:18 -0700
Subject: [PATCH] Add support for object reflection field

---
 context.go          |  6 ++++++
 event.go            |  9 +++++++++
 log_example_test.go | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 49 insertions(+)

diff --git a/context.go b/context.go
index 9eceee2..d3c2c20 100644
--- a/context.go
+++ b/context.go
@@ -127,3 +127,9 @@ func (c Context) Time(key string, t time.Time) Context {
 	c.l.context = appendTime(c.l.context, key, t)
 	return c
 }
+
+// Object adds the field key with obj marshaled using reflection.
+func (c Context) Object(key string, obj interface{}) Context {
+	c.l.context = appendObject(c.l.context, key, obj)
+	return c
+}
diff --git a/event.go b/event.go
index 2eca670..0c66bf7 100644
--- a/event.go
+++ b/event.go
@@ -261,3 +261,12 @@ func (e *Event) Time(key string, t time.Time) *Event {
 	e.buf = appendTime(e.buf, key, t)
 	return e
 }
+
+// Object adds the field key with obj marshaled using reflection.
+func (e *Event) Object(key string, obj interface{}) *Event {
+	if !e.enabled {
+		return e
+	}
+	e.buf = appendObject(e.buf, key, obj)
+	return e
+}
diff --git a/log_example_test.go b/log_example_test.go
index d1f5484..0ed99d3 100644
--- a/log_example_test.go
+++ b/log_example_test.go
@@ -114,6 +114,23 @@ func ExampleEvent_Dict() {
 	// Output: {"foo":"bar","dict":{"bar":"baz","n":1},"message":"hello world"}
 }
 
+func ExampleEvent_Object() {
+	log := zerolog.New(os.Stdout)
+
+	obj := struct {
+		Name string `json:"name"`
+	}{
+		Name: "john",
+	}
+
+	log.Log().
+		Str("foo", "bar").
+		Object("obj", obj).
+		Msg("hello world")
+
+	// Output: {"foo":"bar","obj":{"name":"john"},"message":"hello world"}
+}
+
 func ExampleContext_Dict() {
 	log := zerolog.New(os.Stdout).With().
 		Str("foo", "bar").
@@ -126,3 +143,20 @@ func ExampleContext_Dict() {
 
 	// Output: {"foo":"bar","dict":{"bar":"baz","n":1},"message":"hello world"}
 }
+
+func ExampleContext_Object() {
+	obj := struct {
+		Name string `json:"name"`
+	}{
+		Name: "john",
+	}
+
+	log := zerolog.New(os.Stdout).With().
+		Str("foo", "bar").
+		Object("obj", obj).
+		Logger()
+
+	log.Log().Msg("hello world")
+
+	// Output: {"foo":"bar","obj":{"name":"john"},"message":"hello world"}
+}