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Use `provide_both` link instead of `provide(_extern)`

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Yuki Okushi 2020-11-02 22:52:28 +09:00 committed by Who? Me?!
parent 17c77b296e
commit 3de0132a0d
1 changed files with 3 additions and 5 deletions
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src/query.md
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@ -155,13 +155,11 @@ providers**. Almost all **extern providers** wind up going through the
[`rustc_metadata` crate][rustc_metadata], which loads the information
from the crate metadata. But in some cases there are crates that
provide queries for *both* local and external crates, in which case
they define both a [`provide`][ext_provide] and a
[`provide_extern`][ext_provide_extern] function that `rustc_driver`
can invoke.
they define both a `provide` and a `provide_extern` function, through
[`provide_both`][ext_provide_both], that `rustc_driver` can invoke.
[rustc_metadata]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_metadata/index.html
[ext_provide]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_codegen_llvm/attributes/fn.provide.html
[ext_provide_extern]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_codegen_llvm/attributes/fn.provide_extern.html
[ext_provide_both]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_codegen_llvm/attributes/fn.provide_both.html
### Adding a new kind of query