From: jiahua wang <wjh180909@gmail.com>
Date: Tue, 20 May 2025 05:40:18 +0000 (+0800)
Subject: errors: add joinError Unwrap example
X-Git-Tag: go1.25rc1~67
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=ed70477909c97f86f8d73bee2d8680b6788acec7;p=gostls13.git

errors: add joinError Unwrap example

Change-Id: Id7489247e9bdd413f82fdf5a70197856c47abfb5
Reviewed-on: https://go-review.googlesource.com/c/go/+/674336
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Reviewed-by: Sean Liao <sean@liao.dev>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Sean Liao <sean@liao.dev>
---

diff --git a/src/errors/example_test.go b/src/errors/example_test.go
index 1976f05afa..278df8c7da 100644
--- a/src/errors/example_test.go
+++ b/src/errors/example_test.go
@@ -66,11 +66,13 @@ func ExampleJoin() {
 	if errors.Is(err, err2) {
 		fmt.Println("err is err2")
 	}
+	fmt.Println(err.(interface{ Unwrap() []error }).Unwrap())
 	// Output:
 	// err1
 	// err2
 	// err is err1
 	// err is err2
+	// [err1 err2]
 }
 
 func ExampleIs() {