bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Add impl_constness query

Browse source
This commit is contained in:
Deadbeef 2021-07-10 11:15:11 +08:00
parent 032cbe4cce
commit 89d190f090
No known key found for this signature in database
GPG key ID: 6525773485376D92
6 changed files with 29 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

11
compiler/rustc_ty_utils/src/ty.rs
View file

@ -168,6 +168,16 @@ fn impl_defaultness(tcx: TyCtxt<'_>, def_id: DefId) -> hir::Defaultness {
}
}
fn impl_constness(tcx: TyCtxt<'_>, def_id: DefId) -> hir::Constness {
let hir_id = tcx.hir().local_def_id_to_hir_id(def_id.expect_local());
let item = tcx.hir().expect_item(hir_id);
if let hir::ItemKind::Impl(impl_) = &item.kind {
impl_.constness
} else {
bug!("`impl_constness` called on {:?}", item);
}
}
/// Calculates the `Sized` constraint.
///
/// In fact, there are only a few options for the types in the constraint:
@ -535,6 +545,7 @@ pub fn provide(providers: &mut ty::query::Providers) {
instance_def_size_estimate,
issue33140_self_ty,
impl_defaultness,
impl_constness,
conservative_is_privately_uninhabited: conservative_is_privately_uninhabited_raw,
..*providers
};