scalar_column_view.hpp

/*
 * SPDX-FileCopyrightText: Copyright (c) 2026, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 * SPDX-License-Identifier: Apache-2.0
 */
 
#pragma once
#include <cudf/column/column_view.hpp>
 
namespace CUDF_EXPORT cudf {
 
struct scalar_column_view : private column_view {
  explicit scalar_column_view(column_view view) : column_view(std::move(view))
  {
    CUDF_EXPECTS(
      this->size() == 1, "A scalar column view must have exactly one element.", std::logic_error);
  }
 
  using column_view::data;
  using column_view::has_nulls;
  using column_view::head;
  using column_view::is_empty;
  using column_view::null_count;
  using column_view::null_mask;
  using column_view::nullable;
  using column_view::offset;
  using column_view::size;
  using column_view::type;
 
  [[nodiscard]] column_view const& as_column_view() const noexcept { return *this; }
};
 
}  // namespace CUDF_EXPORT cudf