Re: [boost] [string] Realistic API proposal

Subject: Re: [boost] [string] Realistic API proposal
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2011-01-29 02:25:26

AMDG

On 1/28/2011 11:04 PM, Artyom wrote:
>> //  with a string-aware function
>>     socket.read(my_string);
>>     if  (!is_valid_utf8(my_string.begin(),my_string.end())) ....
>>
>> // with a C  interface
>>     std::vector<char>  vec;
>>      vec.resize(MY_BUFSIZE);
>>     int len = recv(socket, vec.data(),  MY_BUFSIZE, 0);
>>     if (len>= 0) {
>> vec.resize(len);
>>         if (!is_valid_utf8(vec.begin(), vec.end())) ....
>>      }
>>
>> // conversion for Windows API
>>     std::vector<wchar_t>   vec;
>>     vec.resize(count_codepoints<utf8>(mystring.begin(),  mystring.end()));
>>     convert<utf8,utf16>(mystring.begin(),  mystring.end(), vec.begin());
>>     HRESULT hr = WriteFile(handle,  vec.data(), vec.size(),&dwBytesWritten,
>> NULL);
>>     ...
>>
>
> Notice vector is not string and it requires additional copy
>

An additional copy compared to what?
I don't see anything particularly wrong
with using vector here.

In Christ,
Steven Watanabe