@@ -245,7 +245,6 @@ fn test_step_by_skip() {
245245 assert_eq ! ( ( 200 ..=255u8 ) . step_by( 10 ) . nth( 3 ) , Some ( 230 ) ) ;
246246}
247247
248-
249248struct DeOpt < I : Iterator > ( I ) ;
250249
251250impl < I : Iterator > Iterator for DeOpt < I > {
@@ -265,17 +264,15 @@ impl<I: DoubleEndedIterator> DoubleEndedIterator for DeOpt<I> {
265264#[ test]
266265fn test_step_by_fold_range_specialization ( ) {
267266 macro_rules! t {
268- ( $range: expr, $var: ident, $body: tt) => {
269- {
270- // run the same tests for the non-optimized version
271- let mut $var = DeOpt ( $range) ;
272- $body
273- }
274- {
275- let mut $var = $range;
276- $body
277- }
267+ ( $range: expr, $var: ident, $body: tt) => { {
268+ // run the same tests for the non-optimized version
269+ let mut $var = DeOpt ( $range) ;
270+ $body
278271 }
272+ {
273+ let mut $var = $range;
274+ $body
275+ } } ;
279276 }
280277
281278 t ! ( ( 1usize ..5 ) . step_by( 1 ) , r, {
@@ -288,13 +285,12 @@ fn test_step_by_fold_range_specialization() {
288285 assert_eq!( r. sum:: <usize >( ) , 2 ) ;
289286 } ) ;
290287
291-
292288 t ! ( ( 0usize ..5 ) . step_by( 2 ) , r, {
293289 assert_eq!( r. next( ) , Some ( 0 ) ) ;
294290 assert_eq!( r. sum:: <usize >( ) , 6 ) ;
295291 } ) ;
296292
297- t ! ( ( usize :: MAX - 6 .. usize :: MAX ) . step_by( 5 ) , r, {
293+ t ! ( ( usize :: MAX - 6 .. usize :: MAX ) . step_by( 5 ) , r, {
298294 assert_eq!( r. next( ) , Some ( usize :: MAX - 6 ) ) ;
299295 assert_eq!( r. sum:: <usize >( ) , usize :: MAX - 1 ) ;
300296 } ) ;
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