bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Rebase and update code.

Browse source
This commit is contained in:
Fabian Zaiser 2018-04-11 14:27:00 +02:00
parent 27393b1210
commit ecd41976fc
1 changed files with 6 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/librustc_traits/lowering.rs
View file

@ -108,6 +108,7 @@ impl<'tcx> IntoFromEnvGoal for DomainGoal<'tcx> {
FromEnv(..) |
WellFormedTy(..) |
FromEnvTy(..) |
Normalize(..) |
RegionOutlives(..) |
TypeOutlives(..) => self,
}
@ -288,8 +289,11 @@ pub fn program_clauses_for_associated_type_value<'a, 'tcx>(
// `Normalize(<A0 as Trait<A1..An>>::AssocType<Pn+1..Pm> -> T)`
let normalize_goal = DomainGoal::Normalize(ty::ProjectionPredicate { projection_ty, ty });
// `Normalize(... -> T) :- WC && WC1`
let clause = Clause::Implies(where_clauses, normalize_goal);
Lrc::new(vec![clause])
let clause = ProgramClause {
goal: normalize_goal,
hypotheses: where_clauses.into_iter().map(|wc| wc.into()).collect(),
};
Lrc::new(vec![Clause::ForAll(ty::Binder::dummy(clause))])
}
pub fn dump_program_clauses<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>) {