join static method
Joins the string values of a set of options.
Implementation
static String? join(final List<CoapOption>? options, final String delimiter) {
if (options == null) {
return null;
}
final sb = StringBuffer();
for (final opt in options) {
if (opt != options.first) {
sb.write(delimiter);
}
sb.write(opt.stringValue);
}
return sb.toString();
}