Add const generics to rustdoc

src/librustc/hir/print.rs

@@ -591,12 +591,12 @@ impl<'a> State<'a> {
  self.s.word(";")?;
  self.end()?; // end the outer cbox
  }
- hir::ItemKind::Fn(ref decl, header, ref typarams, body) => {
+ hir::ItemKind::Fn(ref decl, header, ref param_names, body) => {
  self.head("")?;
  self.print_fn(decl,
  header,
  Some(item.ident.name),
- typarams,
+ param_names,
  &item.vis,
  &[],
  Some(body))?;

src/librustdoc/clean/auto_trait.rs

@@ -435,7 +435,7 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
  let new_ty = match &poly_trait.trait_ {
  &Type::ResolvedPath {
  ref path,
- ref typarams,
+ ref param_names,
  ref did,
  ref is_generic,
  } => {
@@ -444,7 +444,13 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
  .expect("segments were empty");
 
  let (old_input, old_output) = match last_segment.args {
- GenericArgs::AngleBracketed { types, .. } => (types, None),
+ GenericArgs::AngleBracketed { args, .. } => {
+ let types = args.iter().filter_map(|arg| match arg {
+ GenericArg::Type(ty) => Some(ty.clone()),
+ _ => None,
+ }).collect();
+ (types, None)
+ }
  GenericArgs::Parenthesized { inputs, output, .. } => {
  (inputs, output)
  }
@@ -469,7 +475,7 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
 
  Type::ResolvedPath {
  path: new_path,
- typarams: typarams.clone(),
+ param_names: param_names.clone(),
  did: did.clone(),
  is_generic: *is_generic,
  }
@@ -669,7 +675,7 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
  match **trait_ {
  Type::ResolvedPath {
  path: ref trait_path,
- ref typarams,
+ ref param_names,
  ref did,
  ref is_generic,
  } => {
@@ -724,7 +730,7 @@ impl<'a, 'tcx> AutoTraitFinder<'a, 'tcx> {
  PolyTrait {
  trait_: Type::ResolvedPath {
  path: new_trait_path,
- typarams: typarams.clone(),
+ param_names: param_names.clone(),
  did: did.clone(),
  is_generic: *is_generic,
  },