From a4f4632a3f934868012008d36eecafb912282d45 Mon Sep 17 00:00:00 2001
From: chavacava <salvadorcavadini+github@gmail.com>
Date: Thu, 26 Jan 2023 22:50:35 +0100
Subject: [PATCH] fix #781 (#782)

---
 rule/nested-structs.go     | 5 +++++
 testdata/nested-structs.go | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/rule/nested-structs.go b/rule/nested-structs.go
index 968511f2e..fd1226991 100644
--- a/rule/nested-structs.go
+++ b/rule/nested-structs.go
@@ -37,6 +37,11 @@ type lintNestedStructs struct {
 
 func (l *lintNestedStructs) Visit(n ast.Node) ast.Visitor {
 	switch v := n.(type) {
+	case *ast.TypeSpec:
+		_, isInterface := v.Type.(*ast.InterfaceType)
+		if isInterface {
+			return nil // do not analyze interface declarations
+		}
 	case *ast.FuncDecl:
 		if v.Body != nil {
 			ast.Walk(l, v.Body)
diff --git a/testdata/nested-structs.go b/testdata/nested-structs.go
index 8823d65ca..b1e1102b8 100644
--- a/testdata/nested-structs.go
+++ b/testdata/nested-structs.go
@@ -40,3 +40,8 @@ type Bad struct {
 type issue744 struct {
 	c chan struct{}
 }
+
+// issue 781
+type mySetInterface interface {
+	GetSet() map[string]struct{}
+}