forked from boostorg/mpl
77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
//-----------------------------------------------------------------------------
|
|
// boost mpl/replace_if.hpp header file
|
|
// See http://www.boost.org for updates, documentation, and revision history.
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// Copyright (c) 2000-02
|
|
// Aleksey Gurtovoy and John R. Bandela
|
|
//
|
|
// Permission to use, copy, modify, distribute and sell this software
|
|
// and its documentation for any purpose is hereby granted without fee,
|
|
// provided that the above copyright notice appears in all copies and
|
|
// that both the copyright notice and this permission notice appear in
|
|
// supporting documentation. No representations are made about the
|
|
// suitability of this software for any purpose. It is provided "as is"
|
|
// without express or implied warranty.
|
|
|
|
#ifndef BOOST_MPL_REPLACE_IF_HPP_INCLUDED
|
|
#define BOOST_MPL_REPLACE_IF_HPP_INCLUDED
|
|
|
|
#include "boost/mpl/transform.hpp"
|
|
#include "boost/mpl/lambda.hpp"
|
|
#include "boost/mpl/apply.hpp"
|
|
#include "boost/mpl/if.hpp"
|
|
#include "boost/mpl/protect.hpp"
|
|
#include "boost/mpl/aux_/common_name_wknd.hpp"
|
|
#include "boost/mpl/aux_/void_spec.hpp"
|
|
|
|
namespace boost {
|
|
namespace mpl {
|
|
|
|
BOOST_MPL_AUX_COMMON_NAME_WKND(replace_if)
|
|
|
|
namespace aux {
|
|
|
|
template< typename Predicate, typename T >
|
|
struct replace_if_op
|
|
{
|
|
template< typename U > struct apply
|
|
{
|
|
typedef typename if_<
|
|
typename apply1<Predicate,U>::type
|
|
, T
|
|
, U
|
|
>::type type;
|
|
};
|
|
};
|
|
|
|
} // namespace aux
|
|
|
|
BOOST_MPL_AUX_AGLORITHM_NAMESPACE_BEGIN
|
|
|
|
template<
|
|
typename BOOST_MPL_AUX_VOID_SPEC_PARAM(Sequence)
|
|
, typename BOOST_MPL_AUX_VOID_SPEC_PARAM(Predicate)
|
|
, typename BOOST_MPL_AUX_VOID_SPEC_PARAM(T)
|
|
>
|
|
struct replace_if
|
|
{
|
|
private:
|
|
typedef typename lambda<Predicate>::type pred_;
|
|
|
|
public:
|
|
typedef typename transform<
|
|
Sequence
|
|
, protect< aux::replace_if_op<pred_,T> >
|
|
>::type type;
|
|
};
|
|
|
|
BOOST_MPL_AUX_AGLORITHM_NAMESPACE_END
|
|
|
|
BOOST_MPL_AUX_ALGORITHM_VOID_SPEC(3, replace_if)
|
|
|
|
} // namespace mpl
|
|
} // namespace boost
|
|
|
|
#endif // BOOST_MPL_REPLACE_IF_HPP_INCLUDED
|