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From: John Maddock (john_at_[hidden])
Date: 2004-01-04 06:05:10

> Is there a reason it is copied? Is passing functors by reference a Bad
> Thing, and if so could someone point me to an article or discussion
> on this?

Not really, but the standard did it that way and I copied from there: in the
next release though, regex_grep is deprecated in favour of an iterator based
interface, so this kind of problem goes away if you use regex_iterator
rather than regex_grep.


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