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Add epoch breakage lint for fully qualified paths that do not use crate, self, or super #48722

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Manishearth opened this issue Mar 4, 2018 · 1 comment
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Add epoch breakage lint for fully qualified paths that do not use crate, self, or super #48722

Manishearth opened this issue Mar 4, 2018 · 1 comment
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A-lint Area: Lints (warnings about flaws in source code) such as unused_mut. WG-epoch Working group: Epoch (2018) management
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Rust Epoch 2018

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Manishearth commented Mar 4, 2018 •
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We need to add a 2018 epoch lint for:

use foo::bar::baz and ::foo::bar::baz where foo is not an external crate name, crate, self, or super. It should suggest use crate::foo::bar::baz; or ::crate::foo::bar::baz instead
@aturon aturon mentioned this issue Mar 4, 2018
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@Manishearth Manishearth added the A-lint Area: Lints (warnings about flaws in source code) such as unused_mut. label Mar 4, 2018
@Manishearth Manishearth self-assigned this Mar 4, 2018
@Manishearth Manishearth added the WG-epoch Working group: Epoch (2018) management label Mar 21, 2018
@Manishearth Manishearth changed the title Add epoch lint for fully qualified paths that do not use crate, self, or super Add epoch idiom lint for fully qualified paths that do not use crate, self, or super Mar 21, 2018
@Manishearth Manishearth mentioned this issue Apr 18, 2018
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@Manishearth Manishearth changed the title Add epoch idiom lint for fully qualified paths that do not use crate, self, or super Add epoch breakage lint for fully qualified paths that do not use crate, self, or super Apr 20, 2018
@Manishearth Manishearth mentioned this issue Apr 20, 2018
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#50100

bors added a commit that referenced this issue Apr 25, 2018
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Auto merge of #50100 - Manishearth:edition-path-lint, r=nikomatsakis
432fe0c 
Edition breakage lint for absolute paths starting with modules

We plan to enable `extern_absolute_paths` in the 2018 edition. To allow for that, folks must transition their paths in a previous edition to the new one. This makes paths which import module contents via `use module::` or `::module::` obsolete, and we must edition-lint these.

https://internals.rust-lang.org/t/the-great-module-adventure-continues/6678/205?u=manishearth is the current plan for paths.

r? @nikomatsakis

Fixes #48722
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A-lint Area: Lints (warnings about flaws in source code) such as unused_mut. WG-epoch Working group: Epoch (2018) management
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