bjoernager/rust
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Relax constrained generics to TypeVisitable

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This commit is contained in:
Alan Egerton 2022-06-17 13:10:07 +01:00
parent f66c06f7f2
commit e9e5d0685b
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23 changed files with 56 additions and 43 deletions
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3
compiler/rustc_infer/src/infer/mod.rs
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@ -25,6 +25,7 @@ use rustc_middle::ty::error::{ExpectedFound, TypeError};
use rustc_middle::ty::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable};
use rustc_middle::ty::relate::RelateResult;
use rustc_middle::ty::subst::{GenericArg, GenericArgKind, InternalSubsts, SubstsRef};
use rustc_middle::ty::visit::TypeVisitable;
pub use rustc_middle::ty::IntVarValue;
use rustc_middle::ty::{self, GenericParamDefKind, InferConst, Ty, TyCtxt};
use rustc_middle::ty::{ConstVid, FloatVid, IntVid, TyVid};
@ -1438,7 +1439,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
/// `resolve_vars_if_possible()`.
pub fn unresolved_type_vars<T>(&self, value: &T) -> Option<(Ty<'tcx>, Option<Span>)>
where
T: TypeFoldable<'tcx>,
T: TypeVisitable<'tcx>,
{
value.visit_with(&mut resolve::UnresolvedTypeFinder::new(self)).break_value()
}