diff options
Diffstat (limited to 'compiler/rustc_hir/src/intravisit.rs')
| -rw-r--r-- | compiler/rustc_hir/src/intravisit.rs | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs index cb971bedecd..95fee05a71b 100644 --- a/compiler/rustc_hir/src/intravisit.rs +++ b/compiler/rustc_hir/src/intravisit.rs @@ -364,8 +364,8 @@ pub trait Visitor<'v>: Sized { /// All types are treated as ambiguous types for the purposes of hir visiting in /// order to ensure that visitors can handle infer vars without it being too error-prone. /// - /// See the doc comments on [`Ty`] for an explanation of what it means for a type to be - /// ambiguous. + /// For an explanation of what it means for a type to be ambig, see the dev-guide: + /// https://rustc-dev-guide.rust-lang.org/hir/ambig-unambig-ty-and-consts.html /// /// The [`Visitor::visit_infer`] method should be overridden in order to handle infer vars. fn visit_ty(&mut self, t: &'v Ty<'v, AmbigArg>) -> Self::Result { @@ -375,8 +375,8 @@ pub trait Visitor<'v>: Sized { /// All consts are treated as ambiguous consts for the purposes of hir visiting in /// order to ensure that visitors can handle infer vars without it being too error-prone. /// - /// See the doc comments on [`ConstArg`] for an explanation of what it means for a const to be - /// ambiguous. + /// For an explanation of what it means for a const arg to be ambig, see the dev-guide: + /// https://rustc-dev-guide.rust-lang.org/hir/ambig-unambig-ty-and-consts.html /// /// The [`Visitor::visit_infer`] method should be overridden in order to handle infer vars. fn visit_const_arg(&mut self, c: &'v ConstArg<'v, AmbigArg>) -> Self::Result { @@ -516,6 +516,9 @@ pub trait VisitorExt<'v>: Visitor<'v> { /// /// Named `visit_ty_unambig` instead of `visit_unambig_ty` to aid in discovery /// by IDes when `v.visit_ty` is written. + /// + /// For an explanation of what it means for a type to be unambig, see the dev-guide: + /// https://rustc-dev-guide.rust-lang.org/hir/ambig-unambig-ty-and-consts.html fn visit_ty_unambig(&mut self, t: &'v Ty<'v>) -> Self::Result { walk_unambig_ty(self, t) } @@ -524,6 +527,9 @@ pub trait VisitorExt<'v>: Visitor<'v> { /// /// Named `visit_const_arg_unambig` instead of `visit_unambig_const_arg` to aid in /// discovery by IDes when `v.visit_const_arg` is written. + /// + /// For an explanation of what it means for a const arg to be unambig, see the dev-guide: + /// https://rustc-dev-guide.rust-lang.org/hir/ambig-unambig-ty-and-consts.html fn visit_const_arg_unambig(&mut self, c: &'v ConstArg<'v>) -> Self::Result { walk_unambig_const_arg(self, c) } @@ -975,6 +981,8 @@ pub fn walk_generic_arg<'v, V: Visitor<'v>>( } } +/// For an explanation of what it means for a type to be unambig, see the dev-guide: +/// https://rustc-dev-guide.rust-lang.org/hir/ambig-unambig-ty-and-consts.html pub fn walk_unambig_ty<'v, V: Visitor<'v>>(visitor: &mut V, typ: &'v Ty<'v>) -> V::Result { match typ.try_as_ambig_ty() { Some(ambig_ty) => visitor.visit_ty(ambig_ty), @@ -985,6 +993,8 @@ pub fn walk_unambig_ty<'v, V: Visitor<'v>>(visitor: &mut V, typ: &'v Ty<'v>) -> } } +/// For an explanation of what it means for a type to be ambig, see the dev-guide: +/// https://rustc-dev-guide.rust-lang.org/hir/ambig-unambig-ty-and-consts.html pub fn walk_ty<'v, V: Visitor<'v>>(visitor: &mut V, typ: &'v Ty<'v, AmbigArg>) -> V::Result { let Ty { hir_id, span: _, kind } = typ; try_visit!(visitor.visit_id(*hir_id)); @@ -1037,6 +1047,8 @@ pub fn walk_ty<'v, V: Visitor<'v>>(visitor: &mut V, typ: &'v Ty<'v, AmbigArg>) - V::Result::output() } +/// For an explanation of what it means for a const arg to be unambig, see the dev-guide: +/// https://rustc-dev-guide.rust-lang.org/hir/ambig-unambig-ty-and-consts.html pub fn walk_unambig_const_arg<'v, V: Visitor<'v>>( visitor: &mut V, const_arg: &'v ConstArg<'v>, @@ -1050,6 +1062,8 @@ pub fn walk_unambig_const_arg<'v, V: Visitor<'v>>( } } +/// For an explanation of what it means for a const arg to be ambig, see the dev-guide: +/// https://rustc-dev-guide.rust-lang.org/hir/ambig-unambig-ty-and-consts.html pub fn walk_const_arg<'v, V: Visitor<'v>>( visitor: &mut V, const_arg: &'v ConstArg<'v, AmbigArg>, |