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Meta-issue for discussion of the proposal to make `async` functions start synchronously #30345

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leafpetersen opened this issue Aug 7, 2017 · 1 comment

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@leafpetersen
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commented Aug 7, 2017

This issue is to provide a forum for community discussion and feedback related to the proposal to make async functions start their execution synchronously.

Currently invoking an async function delays running the function body until a later microtask. This has been a source of bugs when converting synchronous functions to being async. This change would make the async function run until the first asynchronous operation (await, await-for) before returning the future.
This does not affect async* functions.

This entry will be updated when a proposal is available.

cc @munificent @eernstg @floitschG @lrhn

@srawlins

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commented Jun 29, 2018

This landed in the VM in 2.0.0-dev.61.0, DDC in 2.0.0-dev.52.0, and dart2js in 2.0.0-dev.51.0.

Its progress does not appear to be tracked in this issue, nor is there any discussion or feedback here. sync-async is here to stay. :)

@srawlins srawlins closed this Jun 29, 2018

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