From 92ff95e06a42bd8a6a5d0699899dafaa0034d760 Mon Sep 17 00:00:00 2001
From: tangyuyi <tangyuyi@bytedance.com>
Date: Mon, 21 Oct 2024 15:56:44 +0800
Subject: [PATCH] feat: use value returned from Value method as source to copy
 from

Change-Id: I968aee9b89a89f0033ff72ae65b245fbd12c4863
---
 copier.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/copier.go b/copier.go
index 175ad82..5e920e5 100644
--- a/copier.go
+++ b/copier.go
@@ -284,6 +284,17 @@ func copier(toValue interface{}, fromValue interface{}, opt Option) (err error)
 			dest = indirect(to)
 		}
 
+		if source.IsValid() {
+			if valuer, ok := source.Interface().(driver.Valuer); ok {
+				value, err := valuer.Value()
+				if err != nil {
+					return err
+				}
+				source = indirect(reflect.ValueOf(value))
+				fromType, _ = indirectType(reflect.TypeOf(value))
+			}
+		}
+
 		if len(converters) > 0 {
 			if ok, e := set(dest, source, opt.DeepCopy, converters); e == nil && ok {
 				if isSlice {