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Use provide_both link instead of provide(_extern) #941

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Nov 7, 2020
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Use provide_both link instead of provide(_extern) #941

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8 changes: 3 additions & 5 deletions src/query.md
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Expand Up @@ -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

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