Re: [boost] Re: bit_and, bit_or, ... function object

From: Justin M. Lewis (boost_at_[hidden])
Date: 2003-04-27 13:17:45

Wait, I think I'm interested.  I would think anyone in verification would be
interested.

----- Original Message -----
From: "Matthias Troyer" <troyer_at_[hidden]>
To: <boost_at_[hidden]>
Sent: Sunday, April 27, 2003 11:07 AM
Subject: [boost] Re: bit_and, bit_or, ... function object

> Dear Boosters,
>
> Since there was no reply to my message of three weeks ago I assume
> there is no interest in the Boost community and we will keep this in
> our own libraries.
>
> Matthias
>
>
> Begin forwarded message:
>
> > From: Matthias Troyer <troyer_at_[hidden]>
> > Date: Sat Apr 5, 2003  12:40:09 PM Europe/Zurich
> > To: boost_at_[hidden]
> > Subject: bit_and, bit_or, ... function object
> >
> > Dear Boosters,
> >
> > Mario Rueti, a student in my group, needed and wrote the following
> > function objects which seem to be missing in the standard library
> > (only arithmetic and logical operations seem to be defined as function
> > objects). Since these might be of more general interest we wonder if
> > they might fit into boost, e.g. into functional.hpp ?
> >
> > Matthias
> >
> >
> > namespace boost {
> > // definition of function objects not defined by STL
> > template <class T>
> > struct bit_and : public binary_function<T,T,T>
> > {
> >   T operator()(const T& x, const T& y) const { return x & y; }
> > };
> >
> > template <class T>
> > struct bit_or : public binary_function<T,T,T>
> > {
> >   T operator()(const T& x, const T& y) const { return x | y; }
> > };
> >
> > template <class T>
> > struct bit_xor : public binary_function<T,T,T>
> > {
> >   T operator()(const T& x, const T& y) const { return x ^ y; }
> > };
> >
> > template <class T>
> > struct bit_not : public unary_function<T,T>
> > {
> >   T operator()(const T& x) const { return ~x; }
> > };
> > }
> >
>
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