add stringsext.Join (#44)

Author: Dean Karn

CHANGELOG.md

@@ -6,6 +6,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [5.26.0] - 2024-01-28
+### Added
+- `stringsext.Join` a more ergonomic way to join strings with a separator when you don't have a slice of strings.
+
 ## [5.25.0] - 2024-01-22
 ### Added
 - Add additional `Option.Scan` type support for `sql.Scanner` interface of Uint, Uint16, Uint32, Uint64, Int, Int, Int8, Float32, []byte, json.RawValue.
@@ -94,7 +98,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Added `timext.NanoTime` for fast low level monotonic time with nanosecond precision.
 
-[Unreleased]: https://github.com/go-playground/pkg/compare/v5.25.0...HEAD
+[Unreleased]: https://github.com/go-playground/pkg/compare/v5.26.0...HEAD
+[5.26.0]: https://github.com/go-playground/pkg/compare/v5.25.0..v5.26.0
 [5.25.0]: https://github.com/go-playground/pkg/compare/v5.24.0..v5.25.0
 [5.24.0]: https://github.com/go-playground/pkg/compare/v5.23.0..v5.24.0
 [5.23.0]: https://github.com/go-playground/pkg/compare/v5.22.0..v5.23.0

README.md

@@ -1,6 +1,6 @@
 # pkg
 
-![Project status](https://img.shields.io/badge/version-5.25.0-green.svg)
+![Project status](https://img.shields.io/badge/version-5.26.0-green.svg)
 [![Lint & Test](https://github.com/go-playground/pkg/actions/workflows/go.yml/badge.svg)](https://github.com/go-playground/pkg/actions/workflows/go.yml)
 [![Coverage Status](https://coveralls.io/repos/github/go-playground/pkg/badge.svg?branch=master)](https://coveralls.io/github/go-playground/pkg?branch=master)
 [![GoDoc](https://godoc.org/github.com/go-playground/pkg?status.svg)](https://pkg.go.dev/mod/github.com/go-playground/pkg/v5)

strings/join.go

@@ -0,0 +1,10 @@
+package stringsext
+
+import "strings"
+
+// Join is a wrapper around strings.Join with a more ergonomic interface when you don't already have a slice of strings.
+//
+// Join concatenates the variadic elements placing the separator string between each element.
+func Join(sep string, s ...string) string {
+	return strings.Join(s, sep)
+}

strings/join_test.go

@@ -0,0 +1,14 @@
+package stringsext
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestJoin(t *testing.T) {
+	s1, s2, s3 := "a", "b", "c"
+	arr := []string{s1, s2, s3}
+	if strings.Join(arr, ",") != Join(",", s1, s2, s3) {
+		t.Errorf("Join failed")
+	}
+}