minor

Author: Saleem Jaffer

src/librustc/ty/context.rs

@@ -409,6 +409,7 @@ pub struct TypeckTables<'tcx> {
     /// MIR construction and hence is not serialized to metadata.
     fru_field_types: ItemLocalMap<Vec<Ty<'tcx>>>,
 
+    /// For every coercion cast we add the HIR node ID to this set.
     coercion_casts: ItemLocalSet,
 
     /// Set of trait imports actually used in the method resolution.
@@ -717,13 +718,10 @@ impl<'tcx> TypeckTables<'tcx> {
     }
 
     pub fn is_coercion_cast(&self, hir_id: &hir::HirId) -> bool {
-        if self.coercion_casts.contains(&hir_id.local_id) {
-            return true
-        }
-        false
+        self.coercion_casts.contains(&hir_id.local_id)
     }
 
-    pub fn set_coercion_cast(&mut self, hir_id: &hir::HirId) -> () {
+    pub fn set_coercion_cast(&mut self, hir_id: &hir::HirId) {
         self.coercion_casts.insert(hir_id.local_id);
     }
 

src/librustc_mir/hair/cx/expr.rs

@@ -655,8 +655,7 @@ fn make_mirror_unadjusted<'a, 'gcx, 'tcx>(cx: &mut Cx<'a, 'gcx, 'tcx>,
 
             // Check to see if this cast is a "coercion cast", where the cast is actually done
             // using a coercion (or is a no-op).
-            let cast = if cx.tables().is_coercion_cast(&source.hir_id)
-            {
+            let cast = if cx.tables().is_coercion_cast(&source.hir_id) {
                 // Convert the lexpr to a vexpr.
                 ExprKind::Use { source: source.to_ref() }
             } else {