RE: [boost] copy_if

From: Victor A. Wagner, Jr. (vawjr_at_[hidden])
Date: 2002-05-07 22:51:31

At Tuesday 2002/05/07 10:43, you wrote:
>My point was: why add another algorithm if the intended result is so easy to
>achieve with an existing one.

it's not always that easy.  Scott Meyers devoted an entire "topic" to 
getting copy_if correct in his book, and he didn't allow for some of the 
stuff in the one posted.

> > -----Original Message-----
> > From: Powell, Gary [mailto:powellg_at_[hidden]]
> > Sent: Tuesday, May 07, 2002 10:58 AM
> > To: boost_at_[hidden]
> > Subject: RE: [boost] copy_if
> >
> >
> > It's the reverse,
> >
> > remove_copy_if(a.begin,a.end, b.begin, valuesIDontwant);
> >
> > copy_if(a.begin,a.end, b.begin, valuesIwant);
> >
> > So you could forward one from the other, reversing the
> > predicate result.
> >
> >   -Gary-
> >
> > -----Original Message-----
> > From: Grunin, Oleg (Exchange) [mailto:ogrunin_at_[hidden]]
> > Sent: Tuesday, May 07, 2002 7:09 AM
> > To: 'boost_at_[hidden]'
> > Subject: RE: [boost] copy_if
> >
> >
> > Doesn't remove_copy_if do the same thing?
> >
> > -----Original Message-----
> > From: Anthony Williams [mailto:anthony_w.geo_at_[hidden]]
> > Sent: Friday, May 03, 2002 10:36 AM
> > To: boost_at_[hidden]
> > Subject: [boost] copy_if
> >
> >
> > I just added a page to the wiki, with an implementation of copy_if
> >
> > http://www.crystalclearsoftware.com/cgi-bin/boost_wiki/wiki.pl
>?STLAlgori
>thmE
>xtensions/CopyIf
>
>Comments, anyone
>
>Anthony
>--
>Anthony Williams
>Software Engineer, Nortel Networks Optical Components Ltd
>The opinions expressed in this message are not necessarily those of my
>employer
>
>
>
>
>
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Victor A. Wagner Jr.      http://rudbek.com
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