rustfmt to pacify the mercilous tidy

Author: nikomatsakis

src/librustc_mir/borrow_check/nll/region_infer/mod.rs

@@ -317,8 +317,11 @@ impl<'tcx> RegionInferenceContext<'tcx> {
             }
 
             // Add `end(X)` into the set for X.
-            self.liveness_constraints
-                .add_element(variable, variable, &Cause::UniversalRegion(variable));
+            self.liveness_constraints.add_element(
+                variable,
+                variable,
+                &Cause::UniversalRegion(variable),
+            );
         }
     }
 
@@ -841,7 +844,9 @@ impl<'tcx> RegionInferenceContext<'tcx> {
             sup_region, sub_region, point
         );
 
-        let inferred_values = self.inferred_values.as_ref().expect("values for regions not yet inferred");
+        let inferred_values = self.inferred_values
+            .as_ref()
+            .expect("values for regions not yet inferred");
 
         debug!(
             "eval_outlives: sup_region's value = {:?}",
@@ -858,10 +863,11 @@ impl<'tcx> RegionInferenceContext<'tcx> {
         // now). Therefore, the sup-region outlives the sub-region if,
         // for each universal region R1 in the sub-region, there
         // exists some region R2 in the sup-region that outlives R1.
-        let universal_outlives =
-            inferred_values.universal_regions_outlived_by(sub_region)
+        let universal_outlives = inferred_values
+            .universal_regions_outlived_by(sub_region)
             .all(|r1| {
-                inferred_values.universal_regions_outlived_by(sup_region)
+                inferred_values
+                    .universal_regions_outlived_by(sup_region)
                     .any(|r2| self.universal_regions.outlives(r2, r1))
             });
 

src/librustc_mir/borrow_check/nll/region_infer/values.rs

@@ -9,12 +9,12 @@
 // except according to those terms.
 
 use borrow_check::nll::region_infer::TrackCauses;
+use rustc::mir::{BasicBlock, Location, Mir};
+use rustc::ty::RegionVid;
 use rustc_data_structures::bitvec::SparseBitMatrix;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::indexed_vec::Idx;
 use rustc_data_structures::indexed_vec::IndexVec;
-use rustc::mir::{BasicBlock, Location, Mir};
-use rustc::ty::RegionVid;
 use std::fmt::Debug;
 use std::rc::Rc;
 
@@ -233,7 +233,12 @@ impl RegionValues {
 
     /// Adds the given element to the value for the given region. Returns true if
     /// the element is newly added (i.e., was not already present).
-    pub(super) fn add_element<E: ToElementIndex>(&mut self, r: RegionVid, elem: E, cause: &Cause) -> bool {
+    pub(super) fn add_element<E: ToElementIndex>(
+        &mut self,
+        r: RegionVid,
+        elem: E,
+        cause: &Cause,
+    ) -> bool {
         let i = self.elements.index(elem);
         self.add_internal(r, i, |_| cause.clone())
     }