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Async function return type inference fails without an ending return #64392

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khionu opened this issue Sep 12, 2019 · 2 comments

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@khionu
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commented Sep 12, 2019

I have a function of the signature async fn run() -> Result<!, Box<dyn std::error::Error>>. It ends with a loop that, as you may infer, never returns Ok. The inference for code generation failed, and the various compiler errors said that my function actually returned ().

@memoryruins

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commented Sep 12, 2019

Can you provide a function/ playground that reproduces the errors?

@khionu

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commented Sep 13, 2019

In trying to get a solid reproduction, the issue has disappeared from the codebase I discovered it in. 👻

@khionu khionu closed this Sep 13, 2019
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