type_checks.hpp

/*
 * Copyright (c) 2021-2024, NVIDIA CORPORATION.
 *
 * 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.
 */
#pragma once
 
#include <cudf/column/column_view.hpp>
#include <cudf/scalar/scalar.hpp>
 
#include <algorithm>
 
namespace CUDF_EXPORT cudf {
 
bool column_types_equivalent(column_view const& lhs, column_view const& rhs);
 
bool have_same_types(column_view const& lhs, column_view const& rhs);
 
bool have_same_types(column_view const& lhs, scalar const& rhs);
 
bool have_same_types(scalar const& lhs, column_view const& rhs);
 
bool have_same_types(scalar const& lhs, scalar const& rhs);
 
bool have_same_types(table_view const& lhs, table_view const& rhs);
 
template <typename ForwardIt>
inline bool all_have_same_types(ForwardIt first, ForwardIt last)
{
  return first == last || std::all_of(std::next(first), last, [want = *first](auto const& c) {
           return cudf::have_same_types(want, c);
         });
}
 
}  // namespace CUDF_EXPORT cudf