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Change pair<T,T> to tuple<T,T> in return type of minmax()

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[SVN r23307]
This commit is contained in:
Hervé Brönnimann
2004-07-01 19:23:33 +00:00
parent 729bb65a2d
commit ec606bbf14
1 changed files with 6 additions and 5 deletions
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11
include/boost/algorithm/minmax.hpp
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@ -30,7 +30,8 @@
*/
#include <utility> // for std::pair and std::make_pair
#include <boost/ref.hpp> // for boost::cref
#include <boost/ref.hpp> // for using pairs with boost::cref
#include <boost/tuple/tuple.hpp> // for using pairs with boost::cref
namespace boost {
@ -56,15 +57,15 @@ namespace boost {
} // namespace detail
template <typename T>
std::pair< boost::reference_wrapper<T const>, reference_wrapper<T const> >
tuple< T const&, T const& >
minmax(T const& a, T const& b) {
return (b<a) ? std::make_pair(cref(b),cref(a)) : std::make_pair(cref(a),cref(b));
return (b<a) ? make_tuple(cref(b),cref(a)) : make_tuple(cref(a),cref(b));
}
template <typename T, class BinaryPredicate>
std::pair< boost::reference_wrapper<T const>, reference_wrapper<T const> >
tuple< T const&, T const& >
minmax(T const& a, T const& b, BinaryPredicate comp) {
return comp(b,a) ? std::make_pair(cref(b),cref(a)) : std::make_pair(cref(a),cref(b));
return comp(b,a) ? make_tuple(cref(b),cref(a)) : make_tuple(cref(a),cref(b));
}
namespace detail { // common base for the two minmax_element overloads