Re: Boost.URL: Something Wicked This Way Comes!

From: Rainer Deyke (rdeyke_at_[hidden])
Date: 2021-10-15 17:24:45

On 15.10.21 18:34, Vinnie Falco via Boost wrote:
> On Fri, Oct 15, 2021 at 9:04 AM Rainer Deyke via Boost
> <boost_at_[hidden]> wrote:
>> The following would do the trick:
>>
>>     auto u1 = parse_relative_ref<url_view>( "/" ).value();
>>     auto u2 = parse_relative_ref<url>( "/" ).value();
>>     auto u3 = parse_relative_ref<static_url<1024>>( "/" ).value();
>>     auto u4 = parse_relative_ref<pmr_url>( "/" ).value();
>>     auto u5 = parse_relative_ref<dynamic_url<
>>       std::allocator<char>>>( "/" ).value();
> 
> Yeah, kinda. This is not expert friendly but also, does not
> accommodate this use-case:
> 
>      struct connection {
>          url u_;
> 
>          void process( string_view s )
>          {
>              u_ = parse_uri( s );
>              ...
>          }
>      };
> 
> In the code above, the capacity for u_ is reused for each I/O cycle.

You can always do this:

      struct connection {
          url u_;

          void process( string_view s )
          {
              u_ = parse_uri<url_view>( s );
              ...
          }
      };

-- 
Rainer Deyke (rainerd_at_[hidden])