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docs: Update rustc_middle::middle::region::ScopeTree #80302

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Dec 23, 2020
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docs: Update rustc_middle::middle::region::ScopeTree #80302

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6 changes: 2 additions & 4 deletions compiler/rustc_middle/src/middle/region.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -332,7 +332,7 @@ pub struct ScopeTree {
pub struct YieldData {
/// The `Span` of the yield.
pub span: Span,
/// The number of expressions and patterns appearing before the `yield` in the body plus one.
/// The number of expressions and patterns appearing before the `yield` in the body, plus one.
pub expr_and_pat_count: usize,
pub source: hir::YieldSource,
}
Expand Down Expand Up @@ -449,9 +449,7 @@ impl ScopeTree {
}

/// Checks whether the given scope contains a `yield`. If so,
/// returns `Some((span, expr_count))` with the span of a yield we found and
/// the number of expressions and patterns appearing before the `yield` in the body + 1.
/// If there a are multiple yields in a scope, the one with the highest number is returned.
/// returns `Some(YieldData)`. If not, returns `None`.
pub fn yield_in_scope(&self, scope: Scope) -> Option<YieldData> {
self.yield_in_scope.get(&scope).cloned()
}
Expand Down