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Use new iteration helpers instead of manually rolling them

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This commit is contained in:
Oli Scherer 2023-03-15 15:44:23 +00:00
parent a1d20cf7a2
commit 300901b705
1 changed files with 1 additions and 4 deletions
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5
compiler/rustc_session/src/parse.rs
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@ -330,10 +330,7 @@ pub fn save_proc_macro_span(&self, span: Span) -> usize {
pub fn proc_macro_quoted_spans(&self) -> impl Iterator<Item = (usize, Span)> + '_ { pub fn proc_macro_quoted_spans(&self) -> impl Iterator<Item = (usize, Span)> + '_ {
// This is equivalent to `.iter().copied().enumerate()`, but that isn't possible for // This is equivalent to `.iter().copied().enumerate()`, but that isn't possible for
// AppendOnlyVec, so we resort to this scheme. // AppendOnlyVec, so we resort to this scheme.
(0..) self.proc_macro_quoted_spans.iter_enumerated()
.map(|i| (i, self.proc_macro_quoted_spans.get(i)))
.take_while(|(_, o)| o.is_some())
.filter_map(|(i, o)| Some((i, o?)))
} }
#[track_caller] #[track_caller]