Re: [boost] Review Request: Introduction of boost::string namespace and string-conversion functions

Subject: Re: [boost] Review Request: Introduction of boost::string namespace and string-conversion functions
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2009-02-12 11:23:03

David Abrahams wrote:
> on Wed Feb 11 2009, Andrey Semashev <andrey.semashev-AT-gmail.com> wrote:
> 
>> Vladimir.Batov_at_[hidden] wrote:
>>> int i;
>>> std::string s;
>>>
>>> 1) int i_from_s = boost::string::to<int>(s); // throws
>> bs::to_string?
> 
> The above is converting a string to an int, so to_string would be
> inappropriate.  I.e. string::to and to_string are grammatically different.
> 
>>> 2) std::string s_from_i = boost::string::from<int>(i);
>> bs::from_string?
> 
> Ditto.

Oh, I certainly meant in reverse.

>> Everything looks fine with me, except that I would suggest using a more explicit
>> syntax for the default value specification. Like this:
>>
>>   boost::string::to<int>(s).with_default(-1);
> 
> boost::string::to<int>(s, _default=-1)
> 
> ?
> 
> see Boost.Parameter

Yes, that's a good alternative.