bjoernager/rust
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Tweak comments.

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- Remove an out-of-date comment. (There is no `PpAnn` implementation for `hir::Crate`.)
- Remove a low-value comment.
- And break a very long comment.
This commit is contained in:
Nicholas Nethercote 2023-10-10 14:14:13 +11:00
parent 664b1858aa
commit 494bc8514a
1 changed files with 2 additions and 4 deletions
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6
compiler/rustc_hir_pretty/src/lib.rs
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@ -52,8 +52,6 @@ pub struct NoAnn;
impl PpAnn for NoAnn {} impl PpAnn for NoAnn {}
pub const NO_ANN: &dyn PpAnn = &NoAnn; pub const NO_ANN: &dyn PpAnn = &NoAnn;
/// Identical to the `PpAnn` implementation for `hir::Crate`,
/// except it avoids creating a dependency on the whole crate.
impl PpAnn for &dyn rustc_hir::intravisit::Map<'_> { impl PpAnn for &dyn rustc_hir::intravisit::Map<'_> {
fn nested(&self, state: &mut State<'_>, nested: Nested) { fn nested(&self, state: &mut State<'_>, nested: Nested) {
match nested { match nested {
@ -446,7 +444,6 @@ impl<'a> State<'a> {
self.end(); // end the outer ibox self.end(); // end the outer ibox
} }
/// Pretty-print an item
fn print_item(&mut self, item: &hir::Item<'_>) { fn print_item(&mut self, item: &hir::Item<'_>) {
self.hardbreak_if_not_bol(); self.hardbreak_if_not_bol();
self.maybe_print_comment(item.span.lo()); self.maybe_print_comment(item.span.lo());
@ -2052,7 +2049,8 @@ impl<'a> State<'a> {
match binder { match binder {
hir::ClosureBinder::Default => {} hir::ClosureBinder::Default => {}
// we need to distinguish `|...| {}` from `for<> |...| {}` as `for<>` adds additional restrictions // We need to distinguish `|...| {}` from `for<> |...| {}` as `for<>` adds additional
// restrictions.
hir::ClosureBinder::For { .. } if generic_params.is_empty() => self.word("for<>"), hir::ClosureBinder::For { .. } if generic_params.is_empty() => self.word("for<>"),
hir::ClosureBinder::For { .. } => { hir::ClosureBinder::For { .. } => {
self.word("for"); self.word("for");