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diff --git a/o3tl/inc/o3tl/compat_functional.hxx b/o3tl/inc/o3tl/compat_functional.hxx
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-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- *
- * Copyright (c) 1994
- * Hewlett-Packard Company
- *
- * Copyright (c) 1996-1998
- * Silicon Graphics Computer Systems, Inc.
- *
- * Copyright (c) 1997
- * Moscow Center for SPARC Technology
- *
- * Copyright (c) 1999
- * Boris Fomitchev
- *
- * This material is provided "as is", with absolutely no warranty expressed
- * or implied. Any use is at your own risk.
- *
- * Permission to use or copy this software for any purpose is hereby granted
- * without fee, provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
- *
- */
-
-/*
- * Lifted and paraphrased from STLport - with additions from Fridrich
- * Strba and Thorsten Behrens
- */
-
-#ifndef INCLUDED_O3TL_COMPAT_FUNCTIONAL_HXX
-#define INCLUDED_O3TL_COMPAT_FUNCTIONAL_HXX
-
-#include <functional>
-
-namespace o3tl
-{
-
-/// Identity functor - return the input value
-template<class T>
-struct identity : public std::unary_function<T, T>
-{
- T operator()(const T& y) const
- {
- return (y);
- }
-};
-
-/// Functor, given two parameters, return the first
-template<class T1,class T2>
-struct project1st : public std::binary_function<T1, T2, T1>
-{
- T1 operator()(const T1& y, const T2&) const
- {
- return (y);
- }
-};
-
-/// Functor, given two parameters, return the second
-template<class T1,class T2>
-struct project2nd : public std::binary_function<T1, T2, T2>
-{
- T2 operator()(const T1&, const T2& x) const
- {
- return (x);
- }
-};
-
-/// Select first value of a pair
-template<class P>
-struct select1st : public std::unary_function<P, typename P::first_type>
-{
- const typename P::first_type& operator()(const P& y) const
- {
- return (y.first);
- }
-};
-
-/// Select second value of a pair
-template<class P>
-struct select2nd : public std::unary_function<P, typename P::second_type>
-{
- const typename P::second_type& operator()(const P& y) const
- {
- return (y.second);
- }
-};
-
-/// Call F1 with the result of F2 applied to the one input parameter
-template<class F1, class F2>
-class unary_compose : public std::unary_function<typename F2::argument_type, typename F1::result_type>
-{
- public:
- unary_compose(const F1& fnction1, const F2& fnction2) : ftor1(fnction1), ftor2(fnction2) {}
-
- typename F1::result_type operator()(const typename F2::argument_type& y) const
- {
- return (ftor1(ftor2(y)));
- }
-
- protected:
- F1 ftor1;
- F2 ftor2;
-};
-
-/// Create functor that calls F1 with the result of F2 applied to the one input parameter
-template<class F1, class F2>
-inline unary_compose<F1, F2> compose1(const F1& fnction1, const F2& fnction2)
-{
- return (unary_compose<F1, F2>(fnction1, fnction2));
-}
-
-/// Calls F2 and F3 for the two args of F1, respectively
-template<class F1, class F2, class F3>
-class binary_compose : public std::unary_function<typename F2::argument_type,typename F1::result_type>
-{
- public:
- binary_compose(const F1& fnction1, const F2& fnction2, const F3& fnction3) : ftor1(fnction1), ftor2(fnction2), ftor3(fnction3) {}
-
- typename F1::result_type operator()(const typename F2::argument_type& y) const
- {
- return (ftor1(ftor2(y), ftor3(y)));
- }
-
- protected:
- F1 ftor1;
- F2 ftor2;
- F3 ftor3;
-};
-
-/// Creates functor that calls F2 and F3 for the two args of F1, respectively
-template<class F1, class F2, class F3>
-inline binary_compose<F1, F2, F3> compose2(const F1& fnction1, const F2& fnction2, const F3& fnction3)
-{
- return (binary_compose<F1, F2, F3>(fnction1, fnction2, fnction3));
-}
-
-/// Algo that assigns val, val+1, ... to the given range
-template<typename FwdIter, typename ValueType>
-inline void iota(FwdIter first, FwdIter last, ValueType val)
-{
- while(first != last)
- *first++ = val++;
-}
-
-} // namespace o3tl
-
-#endif
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */