bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Create bidirectional bounds between original and duplicated parameters.

Browse source
This commit is contained in:
Camille GILLOT 2022-11-11 18:08:55 +00:00
parent 49a5aa4f0c
commit c5949c8bee
5 changed files with 94 additions and 66 deletions
Download patch file Download diff file Expand all files Collapse all files

5
compiler/rustc_ty_utils/src/ty.rs
View file

@ -108,12 +108,7 @@ fn adt_sized_constraint(tcx: TyCtxt<'_>, def_id: DefId) -> &[Ty<'_>] {
/// See `ParamEnv` struct definition for details.
fn param_env(tcx: TyCtxt<'_>, def_id: DefId) -> ty::ParamEnv<'_> {
// The param_env of an impl Trait type is its defining function's param_env
if let Some(parent) = ty::is_impl_trait_defn(tcx, def_id) {
return param_env(tcx, parent.to_def_id());
}
// Compute the bounds on Self and the type parameters.
let ty::InstantiatedPredicates { mut predicates, .. } =
tcx.predicates_of(def_id).instantiate_identity(tcx);