@@ -412,10 +412,9 @@ impl<'a> Iterator for Iter<'a> {
412412 ( Some ( ( _, Some ( _) ) ) , None ) => {
413413 log:: trace!( "src/node.rs:114" ) ;
414414 log:: trace!( "iterator returning {:?}" , self . next_a) ;
415- return self
416- . next_a
417- . take ( )
418- . map ( |( k, v) | ( KeyRef :: Slice ( k) , v. unwrap ( ) . as_ref ( ) ) ) ;
415+ return self . next_a . take ( ) . map ( |( k, v) | {
416+ ( KeyRef :: Slice ( k) , v. unwrap ( ) . as_ref ( ) )
417+ } ) ;
419418 }
420419 ( Some ( ( k_a, v_a_opt) ) , Some ( ( k_b, _) ) ) => {
421420 let cmp = KeyRef :: Slice ( k_a) . cmp ( & k_b) ;
@@ -512,10 +511,9 @@ impl<'a> DoubleEndedIterator for Iter<'a> {
512511 ( Some ( ( _, Some ( _) ) ) , None ) => {
513512 log:: trace!( "src/node.rs:483" ) ;
514513 log:: trace!( "iterator returning {:?}" , self . next_back_a) ;
515- return self
516- . next_back_a
517- . take ( )
518- . map ( |( k, v) | ( KeyRef :: Slice ( k) , v. unwrap ( ) . as_ref ( ) ) ) ;
514+ return self . next_back_a . take ( ) . map ( |( k, v) | {
515+ ( KeyRef :: Slice ( k) , v. unwrap ( ) . as_ref ( ) )
516+ } ) ;
519517 }
520518 ( Some ( ( k_a, Some ( _) ) ) , Some ( ( k_b, _) ) ) if k_b > * k_a => {
521519 log:: trace!( "src/node.rs:508" ) ;
@@ -524,20 +522,18 @@ impl<'a> DoubleEndedIterator for Iter<'a> {
524522 }
525523 ( Some ( ( k_a, Some ( _) ) ) , Some ( ( k_b, _) ) ) if k_b < * k_a => {
526524 log:: trace!( "iterator returning {:?}" , self . next_back_a) ;
527- return self
528- . next_back_a
529- . take ( )
530- . map ( |( k, v) | ( KeyRef :: Slice ( k) , v. unwrap ( ) . as_ref ( ) ) ) ;
525+ return self . next_back_a . take ( ) . map ( |( k, v) | {
526+ ( KeyRef :: Slice ( k) , v. unwrap ( ) . as_ref ( ) )
527+ } ) ;
531528 }
532529 ( Some ( ( k_a, Some ( _) ) ) , Some ( ( k_b, _) ) ) if k_b == * k_a => {
533530 // prefer overlay, discard node value
534531 self . next_back_b . take ( ) ;
535532 log:: trace!( "src/node.rs:520" ) ;
536533 log:: trace!( "iterator returning {:?}" , self . next_back_a) ;
537- return self
538- . next_back_a
539- . take ( )
540- . map ( |( k, v) | ( KeyRef :: Slice ( k) , v. unwrap ( ) . as_ref ( ) ) ) ;
534+ return self . next_back_a . take ( ) . map ( |( k, v) | {
535+ ( KeyRef :: Slice ( k) , v. unwrap ( ) . as_ref ( ) )
536+ } ) ;
541537 }
542538 _ => unreachable ! (
543539 "did not expect combination a: {:?} b: {:?}" ,
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