revert: deref changes

internal/deref/deref.go

@@ -30,28 +30,9 @@ func Type(t reflect.Type) reflect.Type {
 	if t == nil {
 		return nil
 	}
-
-	// Preserve interface types immediately to maintain type information
-	// This handles both empty (interface{}) and non-empty (e.g., io.Reader) interfaces
-	if t.Kind() == reflect.Interface {
-		return t
-	}
-
-	// Iteratively unwrap pointer types until we reach a non-pointer
-	// or encounter an interface type that needs preservation
 	for t.Kind() == reflect.Ptr {
 		t = t.Elem()
-		if t == nil {
-			return nil
-		}
-		// Stop unwrapping if we hit an interface type to preserve its type information
-		// This ensures interface method sets are not lost
-		if t.Kind() == reflect.Interface {
-			return t
-		}
 	}
-
-	// Return the final unwrapped type, which could be any non-pointer, non-interface type
 	return t
 }
 

internal/deref/deref_test.go

@@ -67,23 +67,6 @@ func TestType_nil(t *testing.T) {
 	assert.Nil(t, deref.Type(nil))
 }
 
-func TestType_interface_wrapped_pointer(t *testing.T) {
-	t.Run("one level", func(t *testing.T) {
-		str := "hello"
-		var iface any = &str
-		dt := deref.Type(reflect.TypeOf(iface))
-		assert.Equal(t, reflect.String, dt.Kind())
-	})
-
-	t.Run("two levels", func(t *testing.T) {
-		str := "hello"
-		strPtr := &str
-		var iface any = &strPtr
-		dt := deref.Type(reflect.TypeOf(iface))
-		assert.Equal(t, reflect.String, dt.Kind())
-	})
-}
-
 func TestValue(t *testing.T) {
 	a := uint(42)
 	b := &a