| // Copyright 2023 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 keys | |
| import ( | |
| "sort" | |
| "strings" | |
| ) | |
| // Join returns a canonical join of the keys in S: | |
| // a sorted comma-separated string list. | |
| func Join[S ~[]T, T ~string](s S) string { | |
| strs := make([]string, 0, len(s)) | |
| for _, v := range s { | |
| strs = append(strs, string(v)) | |
| } | |
| sort.Strings(strs) | |
| return strings.Join(strs, ",") | |
| } |