diff options
| -rw-r--r-- | src/librustc_typeck/check/place_op.rs | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/librustc_typeck/check/place_op.rs b/src/librustc_typeck/check/place_op.rs index 12468750923..84f34c0039a 100644 --- a/src/librustc_typeck/check/place_op.rs +++ b/src/librustc_typeck/check/place_op.rs @@ -200,13 +200,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Gather up expressions we want to munge. let mut exprs = vec![expr]; - loop { - match exprs.last().unwrap().kind { - hir::ExprKind::Field(ref expr, _) - | hir::ExprKind::Index(ref expr, _) - | hir::ExprKind::Unary(hir::UnOp::UnDeref, ref expr) => exprs.push(&expr), - _ => break, - } + while let hir::ExprKind::Field(ref expr, _) + | hir::ExprKind::Index(ref expr, _) + | hir::ExprKind::Unary(hir::UnOp::UnDeref, ref expr) = exprs.last().unwrap().kind + { + exprs.push(&expr); } debug!("convert_place_derefs_to_mutable: exprs={:?}", exprs); |