Function take_query_pair

plugins/experimental/txn_box/plugin/src/ts_util.cc:1201–1207

------------------------------------------------------------------------------------ */ Get the next pair from the query string. Three cases - "name=value" - "name" - "name=" The latter two are distinguished by the value pointing at @c name.end() or one past.). */

    The latter two are distinguished by the value pointing at @c name.end() or one past.).
*/
std::tuple<TextView, TextView>
take_query_pair(TextView &src)
{
  auto token = src.take_prefix_at("&;"_tv);
  auto name  = token.take_prefix_at('=');
  return {name, token};
}

std::tuple<TextView, TextView>
query_value_for(TextView query_str, TextView search_key, bool caseless_p)