Function joinStrSlice

internal/utils/templates.go:163–181

(slice []interface{}, sep string)

}

func joinStrSlice(slice []interface{}, sep string) (string, error) {
	var b strings.Builder

	for index, s := range slice {

		elem, ok := s.(string)
		if !ok {
			return "", fmt.Errorf("joinStrSlice argument must be a slice of strings")
		}

		if index > 0 {
			b.WriteString(sep)
		}

		b.WriteString(elem)
	}

	return b.String(), nil
}

// Can make it easier to get the right number of line breaks
func nl() string {