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| author | Rémy Rakic <remy.rakic+github@gmail.com> | 2025-03-06 09:21:37 +0000 |
|---|---|---|
| committer | Rémy Rakic <remy.rakic+github@gmail.com> | 2025-03-06 11:20:25 +0000 |
| commit | 7d6bbe2df788d9c23aef1384bc1c8b240253ae7b (patch) | |
| tree | 619469b689745220f7c94e844b2fd7dc5834758e | |
| parent | ca64815c702162c7c36f165f07462ce32b14d68a (diff) | |
| download | rust-7d6bbe2df788d9c23aef1384bc1c8b240253ae7b.tar.gz rust-7d6bbe2df788d9c23aef1384bc1c8b240253ae7b.zip | |
expand comments of `TyCtxt` impl of `DynSync`/`DynSend`
so that it doesn't get removed again
| -rw-r--r-- | compiler/rustc_middle/src/ty/context.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 2d2bbd22b98..4013f7b2c85 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -1327,7 +1327,9 @@ pub struct TyCtxt<'tcx> { gcx: &'tcx GlobalCtxt<'tcx>, } -// Explicitly implement `DynSync` and `DynSend` for `TyCtxt` to short circuit trait resolution. +// Explicitly implement `DynSync` and `DynSend` for `TyCtxt` to short circuit trait resolution. Its +// field are asserted to implement these traits below, so this is trivially safe, and it greatly +// speeds-up compilation of this crate and its dependents. unsafe impl DynSend for TyCtxt<'_> {} unsafe impl DynSync for TyCtxt<'_> {} fn _assert_tcx_fields() { |