From 0977624c8b20d1a4a78a3005a151aead0a4ee7cb Mon Sep 17 00:00:00 2001
From: John Pedrie <john@freespoke.com>
Date: Tue, 13 Aug 2024 13:06:09 -0400
Subject: [PATCH 1/2] replace strict field type check with AssignableTo

---
 reflections.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/reflections.go b/reflections.go
index 6ca21c7..d3c457d 100644
--- a/reflections.go
+++ b/reflections.go
@@ -141,8 +141,8 @@ func SetField(obj interface{}, name string, value interface{}) error {
 
 	structFieldType := structFieldValue.Type()
 	val := reflect.ValueOf(value)
-	if structFieldType != val.Type() {
-		invalidTypeError := fmt.Errorf("provided value type didn't match obj field type")
+	if !val.Type().AssignableTo(structFieldType) {
+		invalidTypeError := fmt.Errorf("provided value type not assignable to obj field type")
 		return invalidTypeError
 	}
 

From 846ede2ad6e0e2e8d7569e58eb67ce477bb2ec47 Mon Sep 17 00:00:00 2001
From: John Pedrie <john@freespoke.com>
Date: Tue, 13 Aug 2024 13:12:47 -0400
Subject: [PATCH 2/2] add test

---
 reflections_test.go | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/reflections_test.go b/reflections_test.go
index c601594..badf693 100644
--- a/reflections_test.go
+++ b/reflections_test.go
@@ -619,3 +619,23 @@ func TestFields_deep(t *testing.T) {
 	assert.Equal(t, fieldsDeep[1], "Street")
 	assert.Equal(t, fieldsDeep[2], "Number")
 }
+
+type SingleString string
+
+type StringList []string
+
+type Bar struct {
+	A StringList
+}
+
+func TestAssignable(t *testing.T) {
+	var b Bar
+	expected := []string{"a", "b", "c"}
+	assert.Nil(t, SetField(&b, "A", expected))
+	assert.Equal(t, StringList(expected), b.A)
+
+	err := SetField(&b, "A", []int{0, 1, 2})
+	assert.NotNil(t, err)
+	assert.Equal(t, "provided value type not assignable to obj field type",
+		err.Error())
+}