Weston Pace created ARROW-12286:
-----------------------------------
Summary: [C++] Create AsyncGenerator from Future<AsyncGenerator<T>>
Key: ARROW-12286
URL: https://issues.apache.org/jira/browse/ARROW-12286
Project: Apache Arrow
Issue Type: Sub-task
Components: C++
Reporter: Weston Pace
This is useful for doing things like...
Future<ItemVector> vec_fut = GetVectorOfThingsAsync();
Future<AsyncGenerator<Item>> gen_fut = vec_fut.Then([] (const SomeVector& vec)
\{ return MakeVectorGenerator(vec); };
AsyncGenerator<Item> item_gen = MakeFutureFirstGenerator(gen_fut);
The cost of the initial future is just part of the cost of getting the first
item from the generator.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
