test&doc: add example and update doc for xerror package

2026-02-04 12:52:28 +08:00 · 2023-01-08 20:36:17 +08:00
parent 936011dc3b
commit 7380721ccc
5 changed files with 29 additions and 4 deletions
--- a/xerror/xerror.go
+++ b/xerror/xerror.go
@@ -6,6 +6,7 @@ package xerror

 // Unwrap if err is nil then it returns a valid value
 // If err is not nil, Unwrap panics with err.
+// Play: https://go.dev/play/p/w84d7Mb3Afk
 func Unwrap[T any](val T, err error) T {
 	if err != nil {
 		panic(err)