Fix some minor mistakes in comments.

This commit is contained in:
Nicholas Nethercote 2023-09-13 07:27:06 +10:00
parent b4e54c6e39
commit 593373f17d
2 changed files with 6 additions and 7 deletions

View File

@ -11,7 +11,7 @@
//! modification. These are the ones containing the most important type-related
//! information, such as `Ty`, `Predicate`, `Region`, and `Const`.
//!
//! There are three groups of traits involved in each traversal.
//! There are three traits involved in each traversal.
//! - `TypeFoldable`. This is implemented once for many types, including:
//! - Types of interest, for which the methods delegate to the folder.
//! - All other types, including generic containers like `Vec` and `Option`.
@ -58,7 +58,7 @@ pub trait TypeFoldable<I: Interner>: TypeVisitable<I> {
/// For most types, this just traverses the value, calling `try_fold_with`
/// on each field/element.
///
/// For types of interest (such as `Ty`), the implementation of method
/// For types of interest (such as `Ty`), the implementation of this method
/// calls a folder method specifically for that type (such as
/// `F::try_fold_ty`). This is where control transfers from `TypeFoldable`
/// to `TypeFolder`.
@ -121,7 +121,7 @@ pub trait TypeFolder<I: Interner>: FallibleTypeFolder<I, Error = !> {
}
// The default region folder is a no-op because `Region` is non-recursive
// and has no `super_visit_with` method to call. That also explains the
// and has no `super_fold_with` method to call. That also explains the
// lack of `I::Region: TypeSuperFoldable<I>` bound on this method.
fn fold_region(&mut self, r: I::Region) -> I::Region {
r
@ -170,7 +170,7 @@ pub trait FallibleTypeFolder<I: Interner>: Sized {
}
// The default region folder is a no-op because `Region` is non-recursive
// and has no `super_visit_with` method to call. That also explains the
// and has no `super_fold_with` method to call. That also explains the
// lack of `I::Region: TypeSuperFoldable<I>` bound on this method.
fn try_fold_region(&mut self, r: I::Region) -> Result<I::Region, Self::Error> {
Ok(r)

View File

@ -8,7 +8,7 @@
//! visitation. These are the ones containing the most important type-related
//! information, such as `Ty`, `Predicate`, `Region`, and `Const`.
//!
//! There are three groups of traits involved in each traversal.
//! There are three traits involved in each traversal.
//! - `TypeVisitable`. This is implemented once for many types, including:
//! - Types of interest, for which the methods delegate to the visitor.
//! - All other types, including generic containers like `Vec` and `Option`.
@ -17,7 +17,6 @@
//! interest, and defines the visiting "skeleton" for these types. (This
//! excludes `Region` because it is non-recursive, i.e. it never contains
//! other types of interest.)
//!
//! - `TypeVisitor`. This is implemented for each visitor. This defines how
//! types of interest are visited.
//!
@ -60,7 +59,7 @@ pub trait TypeVisitable<I: Interner>: fmt::Debug + Clone {
///
/// For types of interest (such as `Ty`), the implementation of this method
/// that calls a visitor method specifically for that type (such as
/// `V::visit_ty`). This is where control transfers from `TypeFoldable` to
/// `V::visit_ty`). This is where control transfers from `TypeVisitable` to
/// `TypeVisitor`.
fn visit_with<V: TypeVisitor<I>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy>;
}