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| author | Nicholas Nethercote <n.nethercote@gmail.com> | 2025-06-04 16:40:00 +1000 |
|---|---|---|
| committer | Nicholas Nethercote <n.nethercote@gmail.com> | 2025-06-04 16:40:00 +1000 |
| commit | ed300d8ad881acc54f56a965e9c8f8a9e75a06d8 (patch) | |
| tree | 6ec36b4daa07c50cc97b512bdf519e05c061a99e /compiler/rustc_middle/src/thir | |
| parent | a124fb3cb7291d75872934f411d81fe298379ace (diff) | |
| download | rust-ed300d8ad881acc54f56a965e9c8f8a9e75a06d8.tar.gz rust-ed300d8ad881acc54f56a965e9c8f8a9e75a06d8.zip | |
Improve some `Visitor` comments.
For AST/HIR/THIR visitors, explain the use of deconstruction.
Diffstat (limited to 'compiler/rustc_middle/src/thir')
| -rw-r--r-- | compiler/rustc_middle/src/thir/visit.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/thir/visit.rs b/compiler/rustc_middle/src/thir/visit.rs index 4da4dc3c02e..d8743814d79 100644 --- a/compiler/rustc_middle/src/thir/visit.rs +++ b/compiler/rustc_middle/src/thir/visit.rs @@ -3,6 +3,9 @@ use super::{ Pat, PatKind, Stmt, StmtKind, Thir, }; +/// Every `walk_*` method uses deconstruction to access fields of structs and +/// enums. This will result in a compile error if a field is added, which makes +/// it more likely the appropriate visit call will be added for it. pub trait Visitor<'thir, 'tcx: 'thir>: Sized { fn thir(&self) -> &'thir Thir<'tcx>; |