[rustc_attr][nit] Replace `filter` + `is_some` with `map_or`.#114340

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bors merged 1 commit intorust-lang:masterfrom ttsugriy:rustc-attr

Aug 2, 2023

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Commits on Aug 1, 2023

[rustc_attr][nit] Replace filter + is_some with map_or.
ttsugriy
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