rustc/ty: whitespace fixes

Author: ljedrz

src/librustc/ty/instance.rs

@@ -229,11 +229,11 @@ impl<'a, 'b, 'tcx> Instance<'tcx> {
     }
 
     pub fn resolve_closure(
-                    tcx: TyCtxt<'a, 'tcx, 'tcx>,
-                    def_id: DefId,
-                    substs: ty::ClosureSubsts<'tcx>,
-                    requested_kind: ty::ClosureKind)
-    -> Instance<'tcx>
+        tcx: TyCtxt<'a, 'tcx, 'tcx>,
+        def_id: DefId,
+        substs: ty::ClosureSubsts<'tcx>,
+        requested_kind: ty::ClosureKind)
+        -> Instance<'tcx>
     {
         let actual_kind = substs.closure_kind(def_id, tcx);
 
@@ -253,8 +253,8 @@ fn resolve_associated_item<'a, 'tcx>(
 ) -> Option<Instance<'tcx>> {
     let def_id = trait_item.def_id;
     debug!("resolve_associated_item(trait_item={:?}, \
-                                    trait_id={:?}, \
-           rcvr_substs={:?})",
+            trait_id={:?}, \
+            rcvr_substs={:?})",
            def_id, trait_id, rcvr_substs);
 
     let trait_ref = ty::TraitRef::from_method(tcx, trait_id, rcvr_substs);
@@ -278,7 +278,7 @@ fn resolve_associated_item<'a, 'tcx>(
         traits::VtableClosure(closure_data) => {
             let trait_closure_kind = tcx.lang_items().fn_trait_kind(trait_id).unwrap();
             Some(Instance::resolve_closure(tcx, closure_data.closure_def_id, closure_data.substs,
-                                 trait_closure_kind))
+                                           trait_closure_kind))
         }
         traits::VtableFnPointer(ref data) => {
             Some(Instance {
@@ -308,7 +308,7 @@ fn resolve_associated_item<'a, 'tcx>(
 }
 
 fn needs_fn_once_adapter_shim<'a, 'tcx>(actual_closure_kind: ty::ClosureKind,
-                              trait_closure_kind: ty::ClosureKind)
+                                        trait_closure_kind: ty::ClosureKind)
     -> Result<bool, ()>
 {
     match (actual_closure_kind, trait_closure_kind) {
@@ -342,13 +342,14 @@ fn needs_fn_once_adapter_shim<'a, 'tcx>(actual_closure_kind: ty::ClosureKind,
 }
 
 fn fn_once_adapter_instance<'a, 'tcx>(
-                            tcx: TyCtxt<'a, 'tcx, 'tcx>,
-                            closure_did: DefId,
-                            substs: ty::ClosureSubsts<'tcx>,
-                            ) -> Instance<'tcx> {
+    tcx: TyCtxt<'a, 'tcx, 'tcx>,
+    closure_did: DefId,
+    substs: ty::ClosureSubsts<'tcx>)
+    -> Instance<'tcx>
+{
     debug!("fn_once_adapter_shim({:?}, {:?})",
-    closure_did,
-    substs);
+           closure_did,
+           substs);
     let fn_once = tcx.lang_items().fn_once_trait().unwrap();
     let call_once = tcx.associated_items(fn_once)
         .find(|it| it.kind == ty::AssociatedKind::Method)

src/librustc/ty/item_path.rs

@@ -221,7 +221,7 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
 
             let data = cur_def_key.disambiguated_data.data;
             let symbol = data.get_opt_name().map(|n| n.as_str()).unwrap_or_else(|| {
-                if let DefPathData::CrateRoot = data {  // reexported `extern crate` (#43189)
+                if let DefPathData::CrateRoot = data { // reexported `extern crate` (#43189)
                     self.original_crate_name(cur_def.krate).as_str()
                 } else {
                     Symbol::intern("<unnamed>").as_str()
@@ -365,9 +365,7 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
 
         if let Some(trait_ref) = impl_trait_ref {
             // Trait impls.
-            buffer.push(&format!("<{} as {}>",
-                                 self_ty,
-                                 trait_ref));
+            buffer.push(&format!("<{} as {}>", self_ty, trait_ref));
             return;
         }
 

src/librustc/ty/layout.rs

@@ -32,11 +32,11 @@ pub trait IntegerExt {
     fn to_ty<'a, 'tcx>(&self, tcx: TyCtxt<'a, 'tcx, 'tcx>, signed: bool) -> Ty<'tcx>;
     fn from_attr<C: HasDataLayout>(cx: C, ity: attr::IntType) -> Integer;
     fn repr_discr<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
-                  ty: Ty<'tcx>,
-                  repr: &ReprOptions,
-                  min: i128,
-                  max: i128)
-                  -> (Integer, bool);
+                            ty: Ty<'tcx>,
+                            repr: &ReprOptions,
+                            min: i128,
+                            max: i128)
+                            -> (Integer, bool);
 }
 
 impl IntegerExt for Integer {
@@ -76,11 +76,11 @@ impl IntegerExt for Integer {
     /// N.B.: u128 values above i128::MAX will be treated as signed, but
     /// that shouldn't affect anything, other than maybe debuginfo.
     fn repr_discr<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
-                  ty: Ty<'tcx>,
-                  repr: &ReprOptions,
-                  min: i128,
-                  max: i128)
-                  -> (Integer, bool) {
+                            ty: Ty<'tcx>,
+                            repr: &ReprOptions,
+                            min: i128,
+                            max: i128)
+                            -> (Integer, bool) {
         // Theoretically, negative values could be larger in unsigned representation
         // than the unsigned representation of the signed minimum. However, if there
         // are any negative values, the only valid unsigned representation is u128
@@ -96,7 +96,7 @@ impl IntegerExt for Integer {
             let fit = if ity.is_signed() { signed_fit } else { unsigned_fit };
             if discr < fit {
                 bug!("Integer::repr_discr: `#[repr]` hint too small for \
-                  discriminant range of enum `{}", ty)
+                      discriminant range of enum `{}", ty)
             }
             return (discr, ity.is_signed());
         }
@@ -106,7 +106,7 @@ impl IntegerExt for Integer {
                 // WARNING: the ARM EABI has two variants; the one corresponding
                 // to `at_least == I32` appears to be used on Linux and NetBSD,
                 // but some systems may use the variant corresponding to no
-                // lower bound.  However, we don't run on those yet...?
+                // lower bound. However, we don't run on those yet...?
                 "arm" => min_from_extern = Some(I32),
                 _ => min_from_extern = Some(I32),
             }
@@ -250,6 +250,7 @@ impl<'a, 'tcx> LayoutCx<'tcx, TyCtxt<'a, 'tcx, 'tcx>> {
             /// A univariant, but with a prefix of an arbitrary size & alignment (e.g. enum tag).
             Prefixed(Size, Align),
         }
+
         let univariant_uninterned = |fields: &[TyLayout<'_>], repr: &ReprOptions, kind| {
             let packed = repr.packed();
             if packed && repr.align > 0 {
@@ -324,7 +325,7 @@ impl<'a, 'tcx> LayoutCx<'tcx, TyCtxt<'a, 'tcx, 'tcx>> {
                 let field = fields[i as usize];
                 if !sized {
                     bug!("univariant: field #{} of `{}` comes after unsized field",
-                        offsets.len(), ty);
+                         offsets.len(), ty);
                 }
 
                 if field.is_unsized() {
@@ -628,7 +629,7 @@ impl<'a, 'tcx> LayoutCx<'tcx, TyCtxt<'a, 'tcx, 'tcx>> {
                 };
 
                 univariant(&tys.iter().map(|ty| self.layout_of(ty)).collect::<Result<Vec<_>, _>>()?,
-                    &ReprOptions::default(), kind)?
+                           &ReprOptions::default(), kind)?
             }
 
             // SIMD vector types.
@@ -640,7 +641,7 @@ impl<'a, 'tcx> LayoutCx<'tcx, TyCtxt<'a, 'tcx, 'tcx>> {
                     Abi::Scalar(ref scalar) => scalar.clone(),
                     _ => {
                         tcx.sess.fatal(&format!("monomorphising SIMD type `{}` with \
-                                                a non-machine element type `{}`",
+                                                 a non-machine element type `{}`",
                                                 ty, element.ty));
                     }
                 };
@@ -743,7 +744,7 @@ impl<'a, 'tcx> LayoutCx<'tcx, TyCtxt<'a, 'tcx, 'tcx>> {
                     // Only one variant is present.
                     (present_second.is_none() &&
                     // Representation optimizations are allowed.
-                     !def.repr.inhibit_enum_layout_opt());
+                    !def.repr.inhibit_enum_layout_opt());
                 if is_struct {
                     // Struct, or univariant enum equivalent to a struct.
                     // (Typechecking will reject discriminant-sizing attrs.)
@@ -755,7 +756,7 @@ impl<'a, 'tcx> LayoutCx<'tcx, TyCtxt<'a, 'tcx, 'tcx>> {
                         let param_env = tcx.param_env(def.did);
                         let last_field = def.variants[v].fields.last().unwrap();
                         let always_sized = tcx.type_of(last_field.did)
-                          .is_sized(tcx.at(DUMMY_SP), param_env);
+                                              .is_sized(tcx.at(DUMMY_SP), param_env);
                         if !always_sized { StructKind::MaybeUnsized }
                         else { StructKind::AlwaysSized }
                     };
@@ -1258,8 +1259,8 @@ impl<'a, 'tcx> LayoutCx<'tcx, TyCtxt<'a, 'tcx, 'tcx>> {
                         let fields: Vec<_> =
                             variant_def.fields.iter().map(|f| f.ident.name).collect();
                         build_variant_info(Some(variant_def.name),
-                                            &fields,
-                                            layout.for_variant(self, i))
+                                           &fields,
+                                           layout.for_variant(self, i))
                     })
                     .collect();
                 record(adt_kind.into(), adt_packed, match layout.variants {

src/librustc/ty/mod.rs

@@ -956,7 +956,7 @@ impl<'a, 'gcx, 'tcx> Generics {
             }
         } else {
             tcx.generics_of(self.parent.expect("parent_count>0 but no parent?"))
-                .region_param(param, tcx)
+               .region_param(param, tcx)
         }
     }
 
@@ -973,7 +973,7 @@ impl<'a, 'gcx, 'tcx> Generics {
             }
         } else {
             tcx.generics_of(self.parent.expect("parent_count>0 but no parent?"))
-                .type_param(param, tcx)
+               .type_param(param, tcx)
         }
     }
 }
@@ -2192,7 +2192,7 @@ impl<'a, 'gcx, 'tcx> AdtDef {
                 if !expr_did.is_local() {
                     span_bug!(tcx.def_span(expr_did),
                         "variant discriminant evaluation succeeded \
-                            in its crate but failed locally");
+                         in its crate but failed locally");
                 }
                 None
             }
@@ -2328,9 +2328,9 @@ impl<'a, 'gcx, 'tcx> AdtDef {
                 debug!("sized_constraint_for_ty({:?}) intermediate = {:?}",
                        ty, adt_tys);
                 adt_tys.iter()
-                    .map(|ty| ty.subst(tcx, substs))
-                    .flat_map(|ty| self.sized_constraint_for_ty(tcx, ty))
-                    .collect()
+                       .map(|ty| ty.subst(tcx, substs))
+                       .flat_map(|ty| self.sized_constraint_for_ty(tcx, ty))
+                       .collect()
             }
 
             Projection(..) | Opaque(..) => {
@@ -2869,9 +2869,7 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
     }
 }
 
-fn associated_item<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId)
-    -> AssociatedItem
-{
+fn associated_item<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId) -> AssociatedItem {
     let id = tcx.hir.as_local_node_id(def_id).unwrap();
     let parent_id = tcx.hir.get_parent(id);
     let parent_def_id = tcx.hir.local_def_id(parent_id);
@@ -2985,8 +2983,8 @@ pub fn is_impl_trait_defn(tcx: TyCtxt<'_, '_, '_>, def_id: DefId) -> Option<DefI
 /// See `ParamEnv` struct def'n for details.
 fn param_env<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
                        def_id: DefId)
-                       -> ParamEnv<'tcx> {
-
+                       -> ParamEnv<'tcx>
+{
     // The param_env of an impl Trait type is its defining function's param_env
     if let Some(parent) = is_impl_trait_defn(tcx, def_id) {
         return param_env(tcx, parent);

src/librustc/ty/outlives.rs

@@ -73,7 +73,6 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
         // projection).
         match ty.sty {
             ty::Closure(def_id, ref substs) => {
-
                 for upvar_ty in substs.upvar_tys(def_id, *self) {
                     self.compute_components(upvar_ty, out);
                 }

src/librustc/ty/relate.rs

@@ -274,9 +274,10 @@ impl<'tcx> Relate<'tcx> for Vec<ty::PolyExistentialProjection<'tcx>> {
         if a.len() != b.len() {
             Err(TypeError::ProjectionBoundsLength(expected_found(relation, &a.len(), &b.len())))
         } else {
-            a.iter().zip(b)
-                .map(|(a, b)| relation.relate(a, b))
-                .collect()
+            a.iter()
+             .zip(b)
+             .map(|(a, b)| relation.relate(a, b))
+             .collect()
         }
     }
 }

src/librustc/ty/structural_impls.rs

@@ -386,12 +386,12 @@ impl<'a, 'tcx> Lift<'tcx> for ty::GenSig<'a> {
     type Lifted = ty::GenSig<'tcx>;
     fn lift_to_tcx<'b, 'gcx>(&self, tcx: TyCtxt<'b, 'gcx, 'tcx>) -> Option<Self::Lifted> {
         tcx.lift(&(self.yield_ty, self.return_ty))
-            .map(|(yield_ty, return_ty)| {
-                ty::GenSig {
-                    yield_ty,
-                    return_ty,
-                }
-            })
+           .map(|(yield_ty, return_ty)| {
+               ty::GenSig {
+                   yield_ty,
+                   return_ty,
+               }
+           })
     }
 }
 
@@ -452,7 +452,6 @@ impl<'a, 'tcx> Lift<'tcx> for ty::error::TypeError<'a> {
             CyclicTy(t) => return tcx.lift(&t).map(|t| CyclicTy(t)),
             ProjectionMismatched(x) => ProjectionMismatched(x),
             ProjectionBoundsLength(x) => ProjectionBoundsLength(x),
-
             Sorts(ref x) => return tcx.lift(x).map(Sorts),
             OldStyleLUB(ref x) => return tcx.lift(x).map(OldStyleLUB),
             ExistentialMismatch(ref x) => return tcx.lift(x).map(ExistentialMismatch)

src/librustc/ty/subst.rs

@@ -361,7 +361,7 @@ impl<'tcx> serialize::UseSpecializedDecodable for &'tcx Substs<'tcx> {}
 
 pub trait Subst<'tcx> : Sized {
     fn subst<'a, 'gcx>(&self, tcx: TyCtxt<'a, 'gcx, 'tcx>,
-                      substs: &[Kind<'tcx>]) -> Self {
+                       substs: &[Kind<'tcx>]) -> Self {
         self.subst_spanned(tcx, substs, None)
     }
 
@@ -489,7 +489,7 @@ impl<'a, 'gcx, 'tcx> SubstFolder<'a, 'gcx, 'tcx> {
                 span_bug!(
                     span,
                     "Type parameter `{:?}` ({:?}/{}) out of range \
-                         when substituting (root type={:?}) substs={:?}",
+                     when substituting (root type={:?}) substs={:?}",
                     p,
                     source_ty,
                     p.idx,

src/librustc/ty/trait_def.rs

@@ -173,9 +173,9 @@ pub(super) fn trait_impls_of_provider<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
                 fast_reject::simplify_type(tcx, impl_self_ty, false)
             {
                 impls.non_blanket_impls
-                    .entry(simplified_self_ty)
-                    .or_default()
-                    .push(impl_def_id);
+                     .entry(simplified_self_ty)
+                     .or_default()
+                     .push(impl_def_id);
             } else {
                 impls.blanket_impls.push(impl_def_id);
             }

src/librustc/ty/util.rs

@@ -119,17 +119,17 @@ pub trait IntTypeExt {
 impl IntTypeExt for attr::IntType {
     fn to_ty<'a, 'gcx, 'tcx>(&self, tcx: TyCtxt<'a, 'gcx, 'tcx>) -> Ty<'tcx> {
         match *self {
-            SignedInt(ast::IntTy::I8)      => tcx.types.i8,
-            SignedInt(ast::IntTy::I16)     => tcx.types.i16,
-            SignedInt(ast::IntTy::I32)     => tcx.types.i32,
-            SignedInt(ast::IntTy::I64)     => tcx.types.i64,
+            SignedInt(ast::IntTy::I8)       => tcx.types.i8,
+            SignedInt(ast::IntTy::I16)      => tcx.types.i16,
+            SignedInt(ast::IntTy::I32)      => tcx.types.i32,
+            SignedInt(ast::IntTy::I64)      => tcx.types.i64,
             SignedInt(ast::IntTy::I128)     => tcx.types.i128,
-            SignedInt(ast::IntTy::Isize)   => tcx.types.isize,
+            SignedInt(ast::IntTy::Isize)    => tcx.types.isize,
             UnsignedInt(ast::UintTy::U8)    => tcx.types.u8,
             UnsignedInt(ast::UintTy::U16)   => tcx.types.u16,
             UnsignedInt(ast::UintTy::U32)   => tcx.types.u32,
             UnsignedInt(ast::UintTy::U64)   => tcx.types.u64,
-            UnsignedInt(ast::UintTy::U128)   => tcx.types.u128,
+            UnsignedInt(ast::UintTy::U128)  => tcx.types.u128,
             UnsignedInt(ast::UintTy::Usize) => tcx.types.usize,
         }
     }
@@ -513,7 +513,9 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
                         false
                     }
                 }
-            }).map(|(&item_param, _)| item_param).collect();
+            })
+            .map(|(&item_param, _)| item_param)
+            .collect();
         debug!("destructor_constraint({:?}) = {:?}", def.did, result);
         result
     }
@@ -674,8 +676,8 @@ impl<'a, 'tcx> ty::TyS<'tcx> {
     pub fn is_representable(&'tcx self,
                             tcx: TyCtxt<'a, 'tcx, 'tcx>,
                             sp: Span)
-                            -> Representability {
-
+                            -> Representability
+    {
         // Iterate until something non-representable is found
         fn fold_repr<It: Iterator<Item=Representability>>(iter: It) -> Representability {
             iter.fold(Representability::Representable, |r1, r2| {