curry.hpp

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// Copyright 2015 TIER IV, Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#ifndef OPENSCENARIO_INTERPRETER__FUNCTIONAL__CURRY_HPP_
#define OPENSCENARIO_INTERPRETER__FUNCTIONAL__CURRY_HPP_
 
#include <utility>
 
namespace openscenario_interpreter
{
template <typename F>
auto curry2(F && f) -> decltype(auto)
{
  return [f](auto &&... xs) {
    return [f, xs = std::make_tuple(std::forward<decltype(xs)>(xs)...)](auto &&... ys) {
      return std::apply(
        [&](auto &&... xs) {
          return f(std::forward<decltype(xs)>(xs)..., std::forward<decltype(ys)>(ys)...);
        },
        xs);
    };
  };
}
}  // namespace openscenario_interpreter
 
#endif  // OPENSCENARIO_INTERPRETER__FUNCTIONAL__CURRY_HPP_