Re: [boost] utilities & tuples

From: Jeremy Siek (jsiek_at_[hidden])
Date: 2001-08-22 19:31:03

Hmm, perhaps tie() should just be removed from utility? Though I suppose
this means updating #includes that currently point to utility... or should
utility include tuple?

On Wed, 22 Aug 2001, Kresimir Fresl wrote:

fresl>
fresl> Hi,
fresl>
fresl> It seems that there is a name clash between tie() from `utility.hpp'
fresl> and two argument tie() from new tuple library (in boost 1.24.0).
fresl> g++ (v3.0) complains:
fresl>
fresl> In file included from /usr/local/include/boost/iterator_adaptors.hpp:101,
fresl>                  from cloud.h:8,    // my file
fresl>                  from tws.cc:14:    // my file
fresl> /usr/local/include/boost/utility.hpp:114: new declaration `template<class A,
fresl>    class B> boost::tied<A, B> boost::tie(A&, B&)'
fresl> /usr/local/include/boost/tuple/detail/tuple_basic.hpp:644: ambiguates old
fresl>    declaration `template<class T1, class T2> boost::tuple<T1&, T2&,
fresl>    boost::null_type, boost::null_type, boost::null_type, boost::null_type,
fresl>    boost::null_type, boost::null_type, boost::null_type, boost::null_type>
fresl>    boost::tie(T1&, T2&)'
fresl>
fresl> (Older versions of tuples, before inclusion in oficial boost release, were in
fresl> a nested namespace boost::tuples.)
fresl>
fresl>
fresl> fres
fresl>
fresl>
fresl> PS. There may be some other problems with tuple library:
fresl>
fresl> As a quick and dirty fix I renamed tuple tie() functions to
fresl> tie_tuple(). g++ now compiles my program (and it works
fresl> as expected ;0), but Comeau C++ 4.2.45.2 says:
fresl>
fresl> "/usr/local/include/boost/tuple/detail/tuple_basic.hpp", line 552: error:
fresl>           template argument list must match the parameter list
fresl>   boost::detail::tuples::make_tuple_mapper<T0>::type
fresl>   ^
fresl>
fresl> "/usr/local/include/boost/tuple/detail/tuple_basic.hpp", line 702: error:
fresl>           expected a ";"
fresl>   } // end of namespace boost
fresl>   ^
fresl>
fresl> Comeau compiles older version of tuples (dated 2001-05-29).
fresl>
fresl> Info: http://www.boost.org  Unsubscribe: <mailto:boost-unsubscribe_at_[hidden]>
fresl>
fresl> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
fresl>
fresl>
fresl>

----------------------------------------------------------------------
 Jeremy Siek                          http://php.indiana.edu/~jsiek/
 Ph.D. Student, Indiana Univ. B'ton   email: jsiek_at_[hidden]
 C++ Booster (http://www.boost.org)   office phone: [phone]
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