first_rf.hpp

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//
// Copyright (C) 2014, 2015 Ableton AG, Berlin. All rights reserved.
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#pragma once

#include <atria/estd/utility.hpp>

namespace atria {
namespace xform {

constexpr struct first_rf_t
{
  template <typename StateT, typename ...InputTs>
  constexpr auto operator() (StateT&& s, InputTs&& ...) const
    -> StateT&&
  {
    return std::forward<StateT>(s);
  }
} first_rf {};

} // namespace xform
} // namespace atria