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Better error messages when mixing io::Result and non io::Result #62125

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xavierd opened this issue Jun 25, 2019 · 1 comment
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Better error messages when mixing io::Result and non io::Result #62125

xavierd opened this issue Jun 25, 2019 · 1 comment
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A-diagnostics Area: Messages for errors, warnings, and lints C-enhancement Category: An issue proposing an enhancement or a PR with one. D-newcomer-roadblock Diagnostics: Confusing error or lint; hard to understand for new users. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@xavierd
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xavierd commented Jun 25, 2019

See the following playground: https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=98bf237ffb9961d9d598c4ed16194517

A better error message can suggest writing the nested function as: Ok(bar()?)
@jonas-schievink jonas-schievink added A-diagnostics Area: Messages for errors, warnings, and lints C-enhancement Category: An issue proposing an enhancement or a PR with one. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jun 25, 2019
@estebank estebank added the D-newcomer-roadblock Diagnostics: Confusing error or lint; hard to understand for new users. label Aug 11, 2020
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estebank commented Jan 5, 2023

Duplicate of #47560

@estebank estebank marked this as a duplicate of #47560 Jan 5, 2023
@estebank estebank closed this as completed Jan 5, 2023
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A-diagnostics Area: Messages for errors, warnings, and lints C-enhancement Category: An issue proposing an enhancement or a PR with one. D-newcomer-roadblock Diagnostics: Confusing error or lint; hard to understand for new users. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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