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Use iter::position in truncate_capture_for_move

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This commit is contained in:
Aman Arora 2021-02-13 01:59:35 -05:00
parent 1b86ad8485
commit f99e152e5a
1 changed files with 4 additions and 10 deletions
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14
compiler/rustc_typeck/src/check/upvar.rs
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@ -1461,16 +1461,10 @@ fn restrict_capture_precision<'tcx>(mut place: Place<'tcx>) -> Place<'tcx> {
/// Truncates a place so that the resultant capture doesn't move data out of a reference
fn truncate_capture_for_move(mut place: Place<'tcx>) -> Place<'tcx> {
for (i, proj) in place.projections.iter().enumerate() {
match proj.kind {
ProjectionKind::Deref => {
// We only drop Derefs in case of move closures
// There might be an index projection or raw ptr ahead, so we don't stop here.
place.projections.truncate(i);
return place;
}
_ => {}
}
if let Some(i) = place.projections.iter().position(|proj| proj.kind == ProjectionKind::Deref) {
// We only drop Derefs in case of move closures
// There might be an index projection or raw ptr ahead, so we don't stop here.
place.projections.truncate(i);
}
place