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Document -Zunpretty=thir-tree #1128

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May 13, 2021
Merged

Document -Zunpretty=thir-tree #1128

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document -Zunpretty=thir-tree
syvb May 13, 2021
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Update position/wording
syvb May 13, 2021
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3 changes: 3 additions & 0 deletions src/thir.md
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Expand Up @@ -39,6 +39,9 @@ will be allocated. Dropping this arena will result in the THIR being destroyed,
which is useful to keep peak memory in check. Having a THIR representation of
all bodies of a crate in memory at the same time would be very heavy.

You can get a debug representation of the THIR by passing the `-Zunpretty=thir-tree` flag
to `rustc`.

[thir-docs]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_mir_build/thir/index.html
[`thir::Expr`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_mir_build/thir/struct.Expr.html
[`build_thir`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_mir_build/thir/fn.build_thir.html