Re: [boost] outputformatters - using just one decorator string

From: John Torjo (john.lists_at_[hidden])
Date: 2004-09-23 14:44:15

troy d. straszheim wrote:

> On Sep 21, 2004, at 6:26 PM, John Torjo wrote:
> 
>> std::vector<int> v;
>> // equivalent to your "[ ", ", ", " ]"
>> std::cout << formatob(v, "[ %, % ]");
>>
>> // eq. to "<< ", " | ", " >>"
>> std::cout << formatob(v, "<< % | %  >>");
>>
>> // set only open/close decorators
>> std::cout << formatob(v, "<< %*%  >>");
>>
>> // sets only the separator
>> std::cout << formatob(v, "*% | %*");
> 
> 
> I like this as well.  But it brings to the fore something I've been 
> wondering about the overall coherence of boost, (I haven't spoken up as 
> I'm relatively new to the list).  What the discussion has evolved to, 
> above, looks a *lot* like what is in boost.format, and it would seem to 
> me that boost.format would be an appropriate place for it (both 
> specifically, as above, and theoretically as well).  The docs mention 
> that the serialization part of outputformatters is better left to the 
> serialization library itself, so that's not an issue...   offhand I just 
> don't see why this functionality should be separate.
> 

boost::format takes care of formatting of "single" values. You can do 
printf-like formatting with boost::format.

Output Formatters addresses a different issue - that is : formatting of 
collections/containers.

Best,
John

-- 
John Torjo
-- john_at_[hidden]
Contributing editor, C/C++ Users Journal
-- "Win32 GUI Generics" -- generics & GUI do mix, after all
-- http://www.torjo.com/win32gui/
-- v1.4 - save_dlg - true binding of your data to UI controls!
    + easily add validation rules (win32gui/examples/smart_dlg)