Collapse Substs::identity_for_item in collect

varkor · varkor · commit 5ea91ac531de · 2018-05-15T14:22:25.000+01:00
diff --git a/src/librustc_typeck/collect.rs b/src/librustc_typeck/collect.rs
@@ -1096,9 +1096,7 @@ fn type_of<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
             }
 
             let substs = ty::ClosureSubsts {
-                substs: Substs::for_item(tcx, def_id, |param, _| {
-                    tcx.mk_param_from_def(param)
-                })
+                substs: Substs::identity_for_item(tcx, def_id),
             };
 
             tcx.mk_closure(def_id, substs)

Original file line number	Diff line number	Diff line change
`@@ -1096,9 +1096,7 @@ fn type_of<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,`
`1096`	`1096`	`}`
`1097`	`1097`
`1098`	`1098`	`let substs = ty::ClosureSubsts {`
`1099`		`- substs: Substs::for_item(tcx, def_id, \|param, _\| {`
`1100`		`- tcx.mk_param_from_def(param)`
`1101`		`- })`
	`1099`	`+ substs: Substs::identity_for_item(tcx, def_id),`
`1102`	`1100`	`};`
`1103`	`1101`
`1104`	`1102`	`tcx.mk_closure(def_id, substs)`