| // run -gcflags=-G=3 | |
| // Copyright 2022 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| package main | |
| func add[S ~string | ~[]byte](buf *[]byte, s S) { | |
| *buf = append(*buf, s...) | |
| } | |
| func main() { | |
| var buf []byte | |
| add(&buf, "foo") | |
| add(&buf, []byte("bar")) | |
| if string(buf) != "foobar" { | |
| panic("got " + string(buf)) | |
| } | |
| } |