Drive-by cleanup

Co-Authored-By: NGabriel Smith <yodaldevoid@users.noreply.github.com>

src/librustc/hir/def.rs

@@ -52,13 +52,13 @@ pub enum Def {
     AssociatedExistential(DefId),
     PrimTy(hir::PrimTy),
     TyParam(DefId),
-    ConstParam(DefId),
     SelfTy(Option<DefId> /* trait */, Option<DefId> /* impl */),
     ToolMod, // e.g., `rustfmt` in `#[rustfmt::skip]`
 
     // Value namespace
     Fn(DefId),
     Const(DefId),
+    ConstParam(DefId),
     Static(DefId, bool /* is_mutbl */),
     StructCtor(DefId, CtorKind), // `DefId` refers to `NodeId` of the struct's constructor
     VariantCtor(DefId, CtorKind), // `DefId` refers to the enum variant

src/librustc/hir/pat_util.rs

@@ -64,19 +64,6 @@ pub fn is_refutable(&self) -> bool {
         }
     }
 
-    pub fn is_const(&self) -> bool {
-        match self.node {
-            PatKind::Path(hir::QPath::TypeRelative(..)) => true,
-            PatKind::Path(hir::QPath::Resolved(_, ref path)) => {
-                match path.def {
-                    Def::Const(..) | Def::AssociatedConst(..) => true,
-                    _ => false
-                }
-            }
-            _ => false
-        }
-    }
-
     /// Call `f` on every "binding" in a pattern, e.g., on `a` in
     /// `match foo() { Some(a) => (), None => () }`
     pub fn each_binding<F>(&self, mut f: F)

src/librustc/middle/reachable.rs

@@ -315,8 +315,11 @@ fn propagate_node(&mut self, node: &Node<'tcx>,
             Node::Ty(_) |
             Node::MacroDef(_) => {}
             _ => {
-                bug!("found unexpected thingy in worklist: {}",
-                     self.tcx.hir().node_to_string(search_item))
+                bug!(
+                    "found unexpected node kind in worklist: {} ({:?})",
+                    self.tcx.hir().node_to_string(search_item),
+                    node,
+                );
             }
         }
     }

src/librustdoc/clean/mod.rs

@@ -1502,7 +1502,7 @@ fn clean(&self, cx: &DocContext) -> GenericParamDef {
                 };
                 (name, GenericParamDefKind::Lifetime)
             }
-            hir::GenericParamKind::Type { ref default, synthetic, .. } => {
+            hir::GenericParamKind::Type { ref default, synthetic } => {
                 (self.name.ident().name.clean(cx), GenericParamDefKind::Type {
                     did: cx.tcx.hir().local_def_id(self.id),
                     bounds: self.bounds.clean(cx),
@@ -2577,7 +2577,7 @@ fn clean(&self, cx: &DocContext) -> Type {
                                     let mut j = 0;
                                     let lifetime = generic_args.args.iter().find_map(|arg| {
                                         match arg {
-                                            GenericArg::Lifetime(lt) => {
+                                            hir::GenericArg::Lifetime(lt) => {
                                                 if indices.lifetimes == j {
                                                     return Some(lt);
                                                 }
@@ -2602,7 +2602,7 @@ fn clean(&self, cx: &DocContext) -> Type {
                                     let mut j = 0;
                                     let type_ = generic_args.args.iter().find_map(|arg| {
                                         match arg {
-                                            GenericArg::Type(ty) => {
+                                            hir::GenericArg::Type(ty) => {
                                                 if indices.types == j {
                                                     return Some(ty);
                                                 }

src/librustdoc/core.rs

@@ -218,7 +218,7 @@ pub fn generics_to_path_params(&self, generics: ty::Generics) -> hir::GenericArg
                         name: hir::LifetimeName::Param(name),
                     }));
                 }
-                ty::GenericParamDefKind::Type {..} => {
+                ty::GenericParamDefKind::Type { .. } => {
                     args.push(hir::GenericArg::Type(self.ty_param_to_ty(param.clone())));
                 }
             }