syntax.h

/*
 * Copyright (c) 2017-present, Facebook, Inc.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#pragma once

#define CPI_ARG(T, name)                            \
  auto name(const T& new_##name)->decltype(*this) { \
    this->name##_ = new_##name;                     \
    return *this;                                   \
  }                                                 \
  auto name(T&& new_##name)->decltype(*this) {      \
    this->name##_ = std::move(new_##name);          \
    return *this;                                   \
  }                                                 \
  const T& name() const noexcept {                  \
    return this->name##_;                           \
  }                                                 \
  T name##_