mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

s/skol_/placeholder_/

Browse Source
This commit is contained in:
Niko Matsakis 2019-02-20 04:57:32 -05:00
parent 0e25a6829c
commit 3cd286bac2
1 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/librustc/traits/select.rs
View File

@ -1682,15 +1682,15 @@ impl<'cx, 'gcx, 'tcx> SelectionContext<'cx, 'gcx, 'tcx> {
) -> bool {
let poly_trait_predicate = self.infcx()
.resolve_type_vars_if_possible(&obligation.predicate);
let (skol_trait_predicate, _) = self.infcx()
let (placeholder_trait_predicate, _) = self.infcx()
.replace_bound_vars_with_placeholders(&poly_trait_predicate);
debug!(
"match_projection_obligation_against_definition_bounds: \
skol_trait_predicate={:?}",
skol_trait_predicate,
placeholder_trait_predicate={:?}",
placeholder_trait_predicate,
);
let (def_id, substs) = match skol_trait_predicate.trait_ref.self_ty().sty {
let (def_id, substs) = match placeholder_trait_predicate.trait_ref.self_ty().sty {
ty::Projection(ref data) => (data.trait_ref(self.tcx()).def_id, data.substs),
ty::Opaque(def_id, substs) => (def_id, substs),
_ => {
@ -1698,7 +1698,7 @@ impl<'cx, 'gcx, 'tcx> SelectionContext<'cx, 'gcx, 'tcx> {
obligation.cause.span,
"match_projection_obligation_against_definition_bounds() called \
but self-ty is not a projection: {:?}",
skol_trait_predicate.trait_ref.self_ty()
placeholder_trait_predicate.trait_ref.self_ty()
);
}
};
@ -1723,7 +1723,7 @@ impl<'cx, 'gcx, 'tcx> SelectionContext<'cx, 'gcx, 'tcx> {
self.match_projection(
obligation,
bound.clone(),
skol_trait_predicate.trait_ref.clone(),
placeholder_trait_predicate.trait_ref.clone(),
)
})
});
@ -1740,7 +1740,7 @@ impl<'cx, 'gcx, 'tcx> SelectionContext<'cx, 'gcx, 'tcx> {
let result = self.match_projection(
obligation,
bound,
skol_trait_predicate.trait_ref.clone(),
placeholder_trait_predicate.trait_ref.clone(),
);
assert!(result);
@ -1753,12 +1753,12 @@ impl<'cx, 'gcx, 'tcx> SelectionContext<'cx, 'gcx, 'tcx> {
&mut self,
obligation: &TraitObligation<'tcx>,
trait_bound: ty::PolyTraitRef<'tcx>,
skol_trait_ref: ty::TraitRef<'tcx>,
placeholder_trait_ref: ty::TraitRef<'tcx>,
) -> bool {
debug_assert!(!skol_trait_ref.has_escaping_bound_vars());
debug_assert!(!placeholder_trait_ref.has_escaping_bound_vars());
self.infcx
.at(&obligation.cause, obligation.param_env)
.sup(ty::Binder::dummy(skol_trait_ref), trait_bound)
.sup(ty::Binder::dummy(placeholder_trait_ref), trait_bound)
.is_ok()
}