// -*- C++ -*-
-// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
+// Copyright (C) 2005-2014 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the terms
{
namespace detail
{
+ /// Equivalence function.
template<typename Key, class Cmp_Fn>
struct eq_by_less : private Cmp_Fn
{