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typeck_root_def_id: improve doc comment #151927

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rust-bors merged 1 commit into from
Feb 1, 2026
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typeck_root_def_id: improve doc comment #151927

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8 changes: 2 additions & 6 deletions compiler/rustc_middle/src/ty/util.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -642,12 +642,8 @@ impl<'tcx> TyCtxt<'tcx> {
/// has its own type-checking context or "inference environment".
///
/// For example, a closure has its own `DefId`, but it is type-checked
/// with the containing item. Similarly, an inline const block has its
/// own `DefId` but it is type-checked together with the containing item.
///
/// Therefore, when we fetch the
/// `typeck` the closure, for example, we really wind up
/// fetching the `typeck` the enclosing fn item.
/// with the containing item. Therefore, when we fetch the `typeck` of the closure,
/// for example, we really wind up fetching the `typeck` of the enclosing fn item.
pub fn typeck_root_def_id(self, def_id: DefId) -> DefId {
let mut def_id = def_id;
while self.is_typeck_child(def_id) {
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