tidy fixes

Author: Dylan-DPC

src/librustc/mir/mod.rs

@@ -2933,4 +2933,4 @@ impl<'tcx> TypeFoldable<'tcx> for Literal<'tcx> {
     }
 }
 
-newtype_index!(LocalWithRegion);
+newtype_index!(LocalWithRegion);

src/librustc_mir/borrow_check/nll/mod.rs

@@ -408,7 +408,10 @@ impl ToRegionVid for RegionVid {
     }
 }
 
-fn live_variable_set(regular: &LocalSet<LocalWithRegion>, drops: &LocalSet<LocalWithRegion>) -> String {
+fn live_variable_set(
+    regular: &LocalSet<LocalWithRegion>,
+    drops: &LocalSet<LocalWithRegion>
+) -> String {
     // sort and deduplicate:
     let all_locals: BTreeSet<_> = regular.iter().chain(drops.iter()).collect();
 

src/librustc_mir/util/liveness.rs

@@ -570,7 +570,10 @@ impl LiveVariableMap for NllLivenessMap {
 impl NllLivenessMap {
     pub fn compute(mir: &Mir) -> Self {
         let mut to_local = IndexVec::default();
-        let from_local: IndexVec<Local,Option<_>> = mir.local_decls.iter_enumerated().map(|(local, local_decl)| {
+        let from_local: IndexVec<Local,Option<_>> = mir
+            .local_decls
+            .iter_enumerated()
+            .map(|(local, local_decl)| {
             if local_decl.ty.has_free_regions() {
                 Some(to_local.push(local))
             }
@@ -582,4 +585,3 @@ impl NllLivenessMap {
         Self { from_local, to_local }
     }
 }
-