1 | /* |
2 | * Copyright 2014-present Facebook, Inc. |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | */ |
16 | |
17 | #pragma once |
18 | |
19 | #include <chrono> |
20 | |
21 | namespace folly { |
22 | |
23 | /// folly::Duration is an alias for the best resolution we offer/work with. |
24 | /// However, it is not intended to be used for client code - you should use a |
25 | /// descriptive std::chrono::duration type instead. e.g. do not write this: |
26 | /// |
27 | /// futures::sleep(Duration(1000))... |
28 | /// |
29 | /// rather this: |
30 | /// |
31 | /// futures::sleep(std::chrono::milliseconds(1000)); |
32 | /// |
33 | /// or this: |
34 | /// |
35 | /// futures::sleep(std::chrono::seconds(1)); |
36 | using Duration = std::chrono::milliseconds; |
37 | |
38 | } // namespace folly |
39 | |