Don't redundantly repeat field names (clippy::redundant_field_names)

Author: matthiaskrgr

src/liballoc/collections/linked_list.rs

@@ -959,7 +959,7 @@ impl<T> LinkedList<T> {
         let it = self.head;
         let old_len = self.len;
 
-        DrainFilter { list: self, it: it, pred: filter, idx: 0, old_len: old_len }
+        DrainFilter { list: self, it, pred: filter, idx: 0, old_len }
     }
 }
 

src/liballoc/vec.rs

@@ -1659,7 +1659,7 @@ struct SetLenOnDrop<'a> {
 impl<'a> SetLenOnDrop<'a> {
     #[inline]
     fn new(len: &'a mut usize) -> Self {
-        SetLenOnDrop { local_len: *len, len: len }
+        SetLenOnDrop { local_len: *len, len }
     }
 
     #[inline]

src/libproc_macro/diagnostic.rs

@@ -55,13 +55,15 @@ pub struct Diagnostic {
 }
 
 macro_rules! diagnostic_child_methods {
-    ($spanned:ident, $regular:ident, $level:expr) => (
+    ($spanned:ident, $regular:ident, $level:expr) => {
         /// Adds a new child diagnostic message to `self` with the level
         /// identified by this method's name with the given `spans` and
         /// `message`.
         #[unstable(feature = "proc_macro_diagnostic", issue = "54140")]
         pub fn $spanned<S, T>(mut self, spans: S, message: T) -> Diagnostic
-            where S: MultiSpan, T: Into<String>
+        where
+            S: MultiSpan,
+            T: Into<String>,
         {
             self.children.push(Diagnostic::spanned(spans, $level, message));
             self
@@ -74,7 +76,7 @@ macro_rules! diagnostic_child_methods {
             self.children.push(Diagnostic::new($level, message));
             self
         }
-    )
+    };
 }
 
 /// Iterator over the children diagnostics of a `Diagnostic`.
@@ -96,7 +98,7 @@ impl Diagnostic {
     /// Creates a new diagnostic with the given `level` and `message`.
     #[unstable(feature = "proc_macro_diagnostic", issue = "54140")]
     pub fn new<T: Into<String>>(level: Level, message: T) -> Diagnostic {
-        Diagnostic { level: level, message: message.into(), spans: vec![], children: vec![] }
+        Diagnostic { level, message: message.into(), spans: vec![], children: vec![] }
     }
 
     /// Creates a new diagnostic with the given `level` and `message` pointing to
@@ -107,12 +109,7 @@ impl Diagnostic {
         S: MultiSpan,
         T: Into<String>,
     {
-        Diagnostic {
-            level: level,
-            message: message.into(),
-            spans: spans.into_spans(),
-            children: vec![],
-        }
+        Diagnostic { level, message: message.into(), spans: spans.into_spans(), children: vec![] }
     }
 
     diagnostic_child_methods!(span_error, error, Level::Error);

src/librustc/hir/map/definitions.rs

@@ -192,7 +192,7 @@ impl DefPath {
             }
         }
         data.reverse();
-        DefPath { data: data, krate: krate }
+        DefPath { data, krate }
     }
 
     /// Returns a string representation of the `DefPath` without

src/librustc/mir/mono.rs

@@ -258,7 +258,7 @@ pub enum Visibility {
 
 impl<'tcx> CodegenUnit<'tcx> {
     pub fn new(name: Symbol) -> CodegenUnit<'tcx> {
-        CodegenUnit { name: name, items: Default::default(), size_estimate: None }
+        CodegenUnit { name, items: Default::default(), size_estimate: None }
     }
 
     pub fn name(&self) -> Symbol {

src/librustc/traits/structural_impls.rs

@@ -532,9 +532,9 @@ impl<'a, 'tcx> Lift<'tcx> for traits::Vtable<'a, ()> {
                 nested,
             }) => tcx.lift(&substs).map(|substs| {
                 traits::VtableGenerator(traits::VtableGeneratorData {
-                    generator_def_id: generator_def_id,
-                    substs: substs,
-                    nested: nested,
+                    generator_def_id,
+                    substs,
+                    nested,
                 })
             }),
             traits::VtableClosure(traits::VtableClosureData { closure_def_id, substs, nested }) => {

src/librustc/ty/context.rs

@@ -2256,22 +2256,22 @@ impl<'tcx> TyCtxt<'tcx> {
 
     #[inline]
     pub fn mk_mut_ref(self, r: Region<'tcx>, ty: Ty<'tcx>) -> Ty<'tcx> {
-        self.mk_ref(r, TypeAndMut { ty: ty, mutbl: hir::Mutability::Mut })
+        self.mk_ref(r, TypeAndMut { ty, mutbl: hir::Mutability::Mut })
     }
 
     #[inline]
     pub fn mk_imm_ref(self, r: Region<'tcx>, ty: Ty<'tcx>) -> Ty<'tcx> {
-        self.mk_ref(r, TypeAndMut { ty: ty, mutbl: hir::Mutability::Not })
+        self.mk_ref(r, TypeAndMut { ty, mutbl: hir::Mutability::Not })
     }
 
     #[inline]
     pub fn mk_mut_ptr(self, ty: Ty<'tcx>) -> Ty<'tcx> {
-        self.mk_ptr(TypeAndMut { ty: ty, mutbl: hir::Mutability::Mut })
+        self.mk_ptr(TypeAndMut { ty, mutbl: hir::Mutability::Mut })
     }
 
     #[inline]
     pub fn mk_imm_ptr(self, ty: Ty<'tcx>) -> Ty<'tcx> {
-        self.mk_ptr(TypeAndMut { ty: ty, mutbl: hir::Mutability::Not })
+        self.mk_ptr(TypeAndMut { ty, mutbl: hir::Mutability::Not })
     }
 
     #[inline]
@@ -2393,7 +2393,7 @@ impl<'tcx> TyCtxt<'tcx> {
 
     #[inline]
     pub fn mk_ty_param(self, index: u32, name: Symbol) -> Ty<'tcx> {
-        self.mk_ty(Param(ParamTy { index, name: name }))
+        self.mk_ty(Param(ParamTy { index, name }))
     }
 
     #[inline]

src/librustc/ty/instance.rs

@@ -241,7 +241,7 @@ impl<'tcx> Instance<'tcx> {
             def_id,
             substs
         );
-        Instance { def: InstanceDef::Item(def_id), substs: substs }
+        Instance { def: InstanceDef::Item(def_id), substs }
     }
 
     pub fn mono(tcx: TyCtxt<'tcx>, def_id: DefId) -> Instance<'tcx> {

src/librustc/ty/mod.rs

@@ -370,7 +370,7 @@ pub trait DefIdTree: Copy {
 
 impl<'tcx> DefIdTree for TyCtxt<'tcx> {
     fn parent(self, id: DefId) -> Option<DefId> {
-        self.def_key(id).parent.map(|index| DefId { index: index, ..id })
+        self.def_key(id).parent.map(|index| DefId { index, ..id })
     }
 }
 
@@ -2227,7 +2227,7 @@ impl ReprOptions {
         if !tcx.consider_optimizing(|| format!("Reorder fields of {:?}", tcx.def_path_str(did))) {
             flags.insert(ReprFlags::IS_LINEAR);
         }
-        ReprOptions { int: size, align: max_align, pack: min_pack, flags: flags }
+        ReprOptions { int: size, align: max_align, pack: min_pack, flags }
     }
 
     #[inline]

src/librustc/ty/normalize_erasing_regions.rs

@@ -34,10 +34,7 @@ impl<'tcx> TyCtxt<'tcx> {
         if !value.has_projections() {
             value
         } else {
-            value.fold_with(&mut NormalizeAfterErasingRegionsFolder {
-                tcx: self,
-                param_env: param_env,
-            })
+            value.fold_with(&mut NormalizeAfterErasingRegionsFolder { tcx: self, param_env })
         }
     }