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- #pragma once
- /*
- * Copyright 2018-present Facebook, Inc.
- *
- * 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.
- */
- #include <folly/experimental/pushmi/examples/bulk.h>
- #include <folly/experimental/pushmi/o/just.h>
- #include <folly/experimental/pushmi/o/submit.h>
- namespace pushmi {
- PUSHMI_INLINE_VAR constexpr struct for_each_fn {
- private:
- template <class Function>
- struct fn {
- Function f_;
- template <class Cursor>
- void operator()(detail::any, Cursor cursor) const {
- f_(*cursor);
- }
- };
- struct identity {
- template <class T>
- auto operator()(T&& t) const {
- return (T &&) t;
- }
- };
- struct zero {
- int operator()(detail::any) const noexcept {
- return 0;
- }
- };
- public:
- template <class ExecutionPolicy, class RandomAccessIterator, class Function>
- void operator()(
- ExecutionPolicy&& policy,
- RandomAccessIterator begin,
- RandomAccessIterator end,
- Function f) const {
- operators::just(0) |
- operators::bulk(
- fn<Function>{f}, begin, end, policy, identity{}, zero{}) |
- operators::blocking_submit();
- }
- } for_each{};
- } // namespace pushmi
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