Re: [Boost-users] string_algo no replace_if

From: Pavol Droba (droba_at_[hidden])
Date: 2007-09-29 11:08:08

Hi,

I think that your arguments are reasonable. Even if I don't like to
extend the number of find/erase/replace functions very much.

I'll put it on my todo list, but I cannot promise when it actually be
implemented.

Reagards,
Pavol.

gast128 wrote:
> Dear all
> 
> I was requesting an 'erase_if' a while ago, and now I ran into a 'replace_if' 
> problem. So after spendig 2 hours in the documentation, I finally found on www 
> ('[string_algo] replace repeated char with single instance?') that one should 
> use the 'find_format_all':
> 
> boost::find_format_all(str, boost::token_finder(boost::is_any_of("ab")), 
> boost::const_formatter("c"));
> 
> But wouldn't it be better to make a 'replace_if' shortcut solely for the 
> purpose of documentation reasons:
> 
> boost::replace_all_if(str, boost::is_any_of("ab"), "c");
> 
> I think that most people find the last line easier to read and comprehend than 
> its (more powerful) 'find_format' cousin. The string_algo library is nice but 
> I get lost more than once. Especially find, replace, erease with predicates 
> are often used by us. However direct use seems not possible.
> 
> wkr,
> me
> 
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