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//! These traits include `ImmutableSlice`, which is defined for `&[T]` types,
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//! and `MutableSlice`, defined for `&mut [T]` types.
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//!
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- //! An example is the method `.slice(a, b)` that returns an immutable "view" into
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- //! a `Vec` or another slice from the index interval `[a, b)`:
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+ //! An example is the `slice` method which enables slicing syntax `[a..b]` that
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+ //! returns an immutable "view" into a `Vec` or another slice from the index
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+ //! interval `[a, b)`:
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//!
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//! ```rust
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//! let numbers = [0i, 1i, 2i];
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- //! let last_numbers = numbers.slice(1, 3) ;
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+ //! let last_numbers = numbers[1..3] ;
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//! // last_numbers is now &[1i, 2i]
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//! ```
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//!
@@ -610,7 +611,7 @@ impl<'a,T> MutableSliceAllocating<'a, T> for &'a mut [T] {
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#[ inline]
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fn move_from ( self , mut src : Vec < T > , start : uint , end : uint ) -> uint {
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- for ( a, b) in self . iter_mut ( ) . zip ( src. slice_mut ( start , end) . iter_mut ( ) ) {
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+ for ( a, b) in self . iter_mut ( ) . zip ( src[ mut start.. end] . iter_mut ( ) ) {
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mem:: swap ( a, b) ;
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}
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cmp:: min ( self . len ( ) , end-start)
@@ -702,7 +703,7 @@ impl<'a, T: Ord> MutableOrdSlice<T> for &'a mut [T] {
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self . swap ( j, i-1 ) ;
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// Step 4: Reverse the (previously) weakly decreasing part
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- self . slice_from_mut ( i ) . reverse ( ) ;
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+ self [ mut i.. ] . reverse ( ) ;
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true
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}
@@ -723,7 +724,7 @@ impl<'a, T: Ord> MutableOrdSlice<T> for &'a mut [T] {
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}
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// Step 2: Reverse the weakly increasing part
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- self . slice_from_mut ( i ) . reverse ( ) ;
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+ self [ mut i.. ] . reverse ( ) ;
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// Step 3: Find the rightmost element equal to or bigger than the pivot (i-1)
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let mut j = self . len ( ) - 1 ;
@@ -990,24 +991,24 @@ mod tests {
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fn test_slice ( ) {
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// Test fixed length vector.
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let vec_fixed = [ 1 i, 2 , 3 , 4 ] ;
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- let v_a = vec_fixed. slice ( 1 u , vec_fixed. len ( ) ) . to_vec ( ) ;
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+ let v_a = vec_fixed[ 1 u.. vec_fixed. len ( ) ] . to_vec ( ) ;
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assert_eq ! ( v_a. len( ) , 3 u) ;
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let v_a = v_a. as_slice ( ) ;
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assert_eq ! ( v_a[ 0 ] , 2 ) ;
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assert_eq ! ( v_a[ 1 ] , 3 ) ;
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assert_eq ! ( v_a[ 2 ] , 4 ) ;
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// Test on stack.
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- let vec_stack = & [ 1 i, 2 , 3 ] ;
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- let v_b = vec_stack. slice ( 1 u , 3 u ) . to_vec ( ) ;
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+ let vec_stack: & [ _ ] = & [ 1 i, 2 , 3 ] ;
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+ let v_b = vec_stack[ 1 u.. 3 u ] . to_vec ( ) ;
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assert_eq ! ( v_b. len( ) , 2 u) ;
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let v_b = v_b. as_slice ( ) ;
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assert_eq ! ( v_b[ 0 ] , 2 ) ;
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assert_eq ! ( v_b[ 1 ] , 3 ) ;
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// Test `Box<[T]>`
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let vec_unique = vec ! [ 1 i, 2 , 3 , 4 , 5 , 6 ] ;
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- let v_d = vec_unique. slice ( 1 u , 6 u ) . to_vec ( ) ;
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+ let v_d = vec_unique[ 1 u.. 6 u ] . to_vec ( ) ;
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assert_eq ! ( v_d. len( ) , 5 u) ;
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let v_d = v_d. as_slice ( ) ;
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assert_eq ! ( v_d[ 0 ] , 2 ) ;
@@ -1020,21 +1021,21 @@ mod tests {
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#[ test]
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fn test_slice_from ( ) {
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let vec: & [ int ] = & [ 1 , 2 , 3 , 4 ] ;
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- assert_eq ! ( vec. slice_from ( 0 ) , vec) ;
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+ assert_eq ! ( vec[ 0 .. ] , vec) ;
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let b: & [ int ] = & [ 3 , 4 ] ;
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- assert_eq ! ( vec. slice_from ( 2 ) , b) ;
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+ assert_eq ! ( vec[ 2 .. ] , b) ;
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let b: & [ int ] = & [ ] ;
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- assert_eq ! ( vec. slice_from ( 4 ) , b) ;
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+ assert_eq ! ( vec[ 4 .. ] , b) ;
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}
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#[ test]
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fn test_slice_to ( ) {
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let vec: & [ int ] = & [ 1 , 2 , 3 , 4 ] ;
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- assert_eq ! ( vec. slice_to ( 4 ) , vec) ;
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+ assert_eq ! ( vec[ .. 4 ] , vec) ;
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let b: & [ int ] = & [ 1 , 2 ] ;
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- assert_eq ! ( vec. slice_to ( 2 ) , b) ;
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+ assert_eq ! ( vec[ .. 2 ] , b) ;
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let b: & [ int ] = & [ ] ;
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- assert_eq ! ( vec. slice_to ( 0 ) , b) ;
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+ assert_eq ! ( vec[ .. 0 ] , b) ;
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}
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@@ -1975,7 +1976,7 @@ mod tests {
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assert ! ( a == [ 7 i, 2 , 3 , 4 ] ) ;
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let mut a = [ 1 i, 2 , 3 , 4 , 5 ] ;
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let b = vec ! [ 5 i, 6 , 7 , 8 , 9 , 0 ] ;
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- assert_eq ! ( a. slice_mut ( 2 , 4 ) . move_from( b, 1 , 6 ) , 2 ) ;
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+ assert_eq ! ( a[ mut 2 .. 4 ] . move_from( b, 1 , 6 ) , 2 ) ;
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assert ! ( a == [ 1 i, 2 , 6 , 7 , 5 ] ) ;
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}
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@@ -1995,7 +1996,7 @@ mod tests {
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#[ test]
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fn test_reverse_part ( ) {
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let mut values = [ 1 i, 2 , 3 , 4 , 5 ] ;
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- values. slice_mut ( 1 , 4 ) . reverse ( ) ;
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+ values[ mut 1 .. 4 ] . reverse ( ) ;
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assert ! ( values == [ 1 , 4 , 3 , 2 , 5 ] ) ;
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}
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@@ -2042,9 +2043,9 @@ mod tests {
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fn test_bytes_set_memory ( ) {
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use slice:: bytes:: MutableByteVector ;
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let mut values = [ 1u8 , 2 , 3 , 4 , 5 ] ;
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- values. slice_mut ( 0 , 5 ) . set_memory ( 0xAB ) ;
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+ values[ mut 0 .. 5 ] . set_memory ( 0xAB ) ;
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assert ! ( values == [ 0xAB , 0xAB , 0xAB , 0xAB , 0xAB ] ) ;
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- values. slice_mut ( 2 , 4 ) . set_memory ( 0xFF ) ;
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+ values[ mut 2 .. 4 ] . set_memory ( 0xFF ) ;
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assert ! ( values == [ 0xAB , 0xAB , 0xFF , 0xFF , 0xAB ] ) ;
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}
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@@ -2070,12 +2071,18 @@ mod tests {
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let mut values = [ 1u8 , 2 , 3 , 4 , 5 ] ;
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{
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let ( left, right) = values. split_at_mut ( 2 ) ;
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- assert ! ( left. slice( 0 , left. len( ) ) == [ 1 , 2 ] ) ;
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+ {
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+ let left: & [ _ ] = left;
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+ assert ! ( left[ 0 ..left. len( ) ] == [ 1 , 2 ] ) ;
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+ }
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for p in left. iter_mut ( ) {
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* p += 1 ;
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}
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- assert ! ( right. slice( 0 , right. len( ) ) == [ 3 , 4 , 5 ] ) ;
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+ {
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+ let right: & [ _ ] = right;
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+ assert ! ( right[ 0 ..right. len( ) ] == [ 3 , 4 , 5 ] ) ;
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+ }
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for p in right. iter_mut ( ) {
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* p += 2 ;
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}
@@ -2099,7 +2106,7 @@ mod tests {
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}
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assert_eq ! ( cnt, 3 ) ;
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- for f in v. slice ( 1 , 3 ) . iter ( ) {
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+ for f in v[ 1 .. 3 ] . iter ( ) {
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assert ! ( * f == Foo ) ;
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cnt += 1 ;
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}
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