//
|
// Copyright 2005-2007 Adobe Systems Incorporated
|
//
|
// Distributed under the Boost Software License, Version 1.0
|
// See accompanying file LICENSE_1_0.txt or copy at
|
// http://www.boost.org/LICENSE_1_0.txt
|
//
|
#ifndef BOOST_GIL_EXTENSION_DYNAMIC_IMAGE_APPLY_OPERATION_HPP
|
#define BOOST_GIL_EXTENSION_DYNAMIC_IMAGE_APPLY_OPERATION_HPP
|
|
#include <boost/variant2/variant.hpp>
|
|
namespace boost { namespace gil {
|
|
/// \ingroup Variant
|
/// \brief Applies the visitor op to the variants
|
template <typename Variant1, typename Visitor>
|
BOOST_FORCEINLINE
|
auto apply_operation(Variant1&& arg1, Visitor&& op)
|
#if defined(BOOST_NO_CXX14_DECLTYPE_AUTO) || defined(BOOST_NO_CXX11_DECLTYPE_N3276)
|
-> decltype(variant2::visit(std::forward<Visitor>(op), std::forward<Variant1>(arg1)))
|
#endif
|
{
|
return variant2::visit(std::forward<Visitor>(op), std::forward<Variant1>(arg1));
|
}
|
|
/// \ingroup Variant
|
/// \brief Applies the visitor op to the variants
|
template <typename Variant1, typename Variant2, typename Visitor>
|
BOOST_FORCEINLINE
|
auto apply_operation(Variant1&& arg1, Variant2&& arg2, Visitor&& op)
|
#if defined(BOOST_NO_CXX14_DECLTYPE_AUTO) || defined(BOOST_NO_CXX11_DECLTYPE_N3276)
|
-> decltype(variant2::visit(std::forward<Visitor>(op), std::forward<Variant1>(arg1), std::forward<Variant2>(arg2)))
|
#endif
|
{
|
return variant2::visit(std::forward<Visitor>(op), std::forward<Variant1>(arg1), std::forward<Variant2>(arg2));
|
}
|
|
}} // namespace boost::gil
|
|
#endif
|
