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Improve comment in closure migration code.

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This commit is contained in:
Mara Bos 2021-08-12 20:28:34 +02:00
parent 99a0477f65
commit cd7f960314
1 changed files with 3 additions and 3 deletions
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6
compiler/rustc_typeck/src/check/upvar.rs
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@ -648,9 +648,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
let mut closure_body_span = self.tcx.hir().span(body_id.hir_id);
// If the body was entirely expanded from a macro
// invocation, as the body is not contained inside the
// closure span. In that case, we walk up the expansion
// until we find the span before the expansion.
// invocation, i.e. the body is not contained inside the
// closure span, then we walk up the expansion until we
// find the span before the expansion.
while !closure_body_span.is_dummy() && !closure_span.contains(closure_body_span) {
closure_body_span = closure_body_span.parent().unwrap_or(DUMMY_SP);
}