use super::InferCtxt;
use crate::traits::ObligationCause;
-use rustc::ty::relate::{RelateResult, TypeRelation};
-use rustc::ty::TyVar;
-use rustc::ty::{self, Ty};
+use rustc_middle::ty::relate::{RelateResult, TypeRelation};
+use rustc_middle::ty::TyVar;
+use rustc_middle::ty::{self, Ty};
pub trait LatticeDir<'f, 'tcx>: TypeRelation<'tcx> {
fn infcx(&self) -> &'f InferCtxt<'f, 'tcx>;