ty::ConstKind::Unevaluated(uv) => format!(
"Unevaluated({}, {:?}, {:?})",
self.tcx.def_path_str(uv.def.did),
- uv.substs(self.tcx),
- uv.promoted
+ uv.substs,
+ uv.promoted,
),
ty::ConstKind::Value(val) => format!("Value({:?})", val),
ty::ConstKind::Error(_) => "Error".to_string(),
}
struct CollectAllocIds(BTreeSet<AllocId>);
impl<'tcx> TypeVisitor<'tcx> for CollectAllocIds {
- fn tcx_for_anon_const_substs(&self) -> Option<TyCtxt<'tcx>> {
- // `AllocId`s are only inside of `ConstKind::Value` which
- // can't be part of the anon const default substs.
- None
- }
-
fn visit_const(&mut self, c: &'tcx ty::Const<'tcx>) -> ControlFlow<Self::BreakTy> {
if let ty::ConstKind::Value(val) = c.val {
self.0.extend(alloc_ids_from_const(val));