From 5637c27b828e63fa459d3b124400bc135d1c95df Mon Sep 17 00:00:00 2001
From: Teddy Wing
Date: Sun, 21 May 2023 21:12:19 +0200
Subject: Check whether returned name matches defer error name

Ensure the name of the returned error variable matches the name of the
error variable assigned in the `defer` statement.
---
 testdata/signature.go | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'testdata')

diff --git a/testdata/signature.go b/testdata/signature.go
index c839934..a87501e 100644
--- a/testdata/signature.go
+++ b/testdata/signature.go
@@ -30,6 +30,21 @@ func doesDeclareErrInSignature() (err error) {
 	return nil // want "does not return 'err'"
 }
 
+func returnsOtherVariable() (err error) {
+	err = nil
+	if err != nil {
+		return err
+	}
+
+	defer func() {
+		err = errors.New("defer error")
+	}()
+
+	err2 := errors.New("returned error")
+
+	return err2 // want "does not return 'err'"
+}
+
 func good() (err error) {
 	err = nil
 	if err != nil {
-- 
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