Use Default more in InferCtxtInner.

Author: nnethercote

compiler/rustc_infer/src/infer/mod.rs

@@ -171,12 +171,12 @@ impl<'tcx> InferCtxtInner<'tcx> {
 undo_log:InferCtxtUndoLogs::default(),
 
 projection_cache:Default::default(),
-type_variable_storage:type_variable::TypeVariableStorage::new(),
-const_unification_storage:ut::UnificationTableStorage::new(),
-int_unification_storage:ut::UnificationTableStorage::new(),
-float_unification_storage:ut::UnificationTableStorage::new(),
-effect_unification_storage:ut::UnificationTableStorage::new(),
-region_constraint_storage:Some(RegionConstraintStorage::new()),
+type_variable_storage:Default::default(),
+const_unification_storage:Default::default(),
+int_unification_storage:Default::default(),
+float_unification_storage:Default::default(),
+effect_unification_storage:Default::default(),
+region_constraint_storage:Some(Default::default()),
 region_obligations:vec![],
 opaque_type_storage:Default::default(),
 }

compiler/rustc_infer/src/infer/region_constraints/mod.rs

@@ -294,10 +294,6 @@ pub(crate) struct RegionSnapshot {
 }
 
 impl<'tcx>RegionConstraintStorage<'tcx>{
-pubfnnew() -> Self{
-Self::default()
-}
-
 #[inline]
 pub(crate)fnwith_log<'a>(
 &'amutself,

compiler/rustc_infer/src/infer/type_variable.rs

@@ -19,7 +19,7 @@ impl<'tcx> Rollback<sv::UndoLog<ut::Delegate<TyVidEqKey<'tcx>>>> for TypeVariabl
 }
 }
 
-#[derive(Clone)]
+#[derive(Clone,Default)]
 pub(crate)structTypeVariableStorage<'tcx>{
 /// The origins of each type variable.
 values:IndexVec<TyVid,TypeVariableData>,
@@ -74,13 +74,6 @@ impl<'tcx> TypeVariableValue<'tcx> {
 }
 
 impl<'tcx>TypeVariableStorage<'tcx>{
-pub(crate)fnnew() -> TypeVariableStorage<'tcx>{
-TypeVariableStorage{
-values:Default::default(),
-eq_relations: ut::UnificationTableStorage::new(),
-}
-}
-
 #[inline]
 pub(crate)fnwith_log<'a>(
 &'amutself,