rustdoc: Prevent duplicated imports #108349
Merged
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Fixes #108163.
Interestingly enough, the AST is providing us an import for each corresponding item, even though the
Res
links to multiple ones each time, which leaded to the same import being duplicated.So in this PR, I decided to prevent the add of the import before the clean pass. However, I originally took a different path by instead filtering after cleaning the path. You can see it here. Only the second commit differs.
I think this approach is better though, but at least we can compare both if we want.
The first commit adds the check for duplicated items in the rustdoc-json output as asked in #108163.
cc @aDotInTheVoid
r? @notriddle