diff options
Diffstat (limited to 'compiler/rustc_middle/src/traits/util.rs')
| -rw-r--r-- | compiler/rustc_middle/src/traits/util.rs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/compiler/rustc_middle/src/traits/util.rs b/compiler/rustc_middle/src/traits/util.rs index 05c06efaf..b4054f8ff 100644 --- a/compiler/rustc_middle/src/traits/util.rs +++ b/compiler/rustc_middle/src/traits/util.rs @@ -3,9 +3,10 @@ use rustc_data_structures::fx::FxHashSet; use crate::ty::{PolyTraitRef, TyCtxt}; /// Given a PolyTraitRef, get the PolyTraitRefs of the trait's (transitive) supertraits. -/// -/// A simplified version of the same function at `rustc_infer::traits::util::supertraits`. -pub fn supertraits<'tcx>( +/// This only exists in `rustc_middle` because the more powerful elaborator depends on +/// `rustc_infer` for elaborating outlives bounds -- this should only be used for pretty +/// printing. +pub fn supertraits_for_pretty_printing<'tcx>( tcx: TyCtxt<'tcx>, trait_ref: PolyTraitRef<'tcx>, ) -> impl Iterator<Item = PolyTraitRef<'tcx>> { |