From 2d0186276a09b0d6987dd50e4833e64b4ac4d7f0 Mon Sep 17 00:00:00 2001
From: hori-ryota <hori.ryota@gmail.com>
Date: Mon, 27 Jun 2022 16:24:59 +0900
Subject: [PATCH] fix: nexted prefix order with inline

---
 cache.go                |  2 +-
 example_encoder_test.go | 15 ++++++++++-----
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/cache.go b/cache.go
index 7c5edd0..2e4627d 100644
--- a/cache.go
+++ b/cache.go
@@ -121,7 +121,7 @@ func buildFields(k typeKey) fields {
 				continue
 			}
 			if f.tag.prefix != "" {
-				tag.prefix += f.tag.prefix
+				tag.prefix = f.tag.prefix + tag.prefix
 			}
 
 			ft := sf.Type
diff --git a/example_encoder_test.go b/example_encoder_test.go
index 31fb16c..f9c8eaf 100644
--- a/example_encoder_test.go
+++ b/example_encoder_test.go
@@ -116,9 +116,14 @@ func ExampleEncoder_EncodeHeader() {
 }
 
 func ExampleEncoder_Encode_inline() {
+	type Owner struct {
+		Name string `csv:"name"`
+	}
+
 	type Address struct {
 		Street string `csv:"street"`
 		City   string `csv:"city"`
+		Owner  Owner  `csv:"owner_,inline"`
 	}
 
 	type User struct {
@@ -132,9 +137,9 @@ func ExampleEncoder_Encode_inline() {
 	users := []User{
 		{
 			Name:        "John",
-			Address:     Address{"Washington", "Boston"},
-			HomeAddress: Address{"Boylston", "Boston"},
-			WorkAddress: Address{"River St", "Cambridge"},
+			Address:     Address{"Washington", "Boston", Owner{"Steve"}},
+			HomeAddress: Address{"Boylston", "Boston", Owner{"Steve"}},
+			WorkAddress: Address{"River St", "Cambridge", Owner{"Steve"}},
 			Age:         26,
 		},
 	}
@@ -147,8 +152,8 @@ func ExampleEncoder_Encode_inline() {
 	fmt.Printf("%s\n", b)
 
 	// Output:
-	// name,street,city,home_address_street,home_address_city,work_address_street,work_address_city,age
-	// John,Washington,Boston,Boylston,Boston,River St,Cambridge,26
+	// name,street,city,owner_name,home_address_street,home_address_city,home_address_owner_name,work_address_street,work_address_city,work_address_owner_name,age
+	// John,Washington,Boston,Steve,Boylston,Boston,Steve,River St,Cambridge,Steve,26
 }
 
 func ExampleEncoder_Register() {