Remove deprecated (internal) _data_slice

This method was already useless/unused, visible but in practice unused
by users.

Author: bluss

src/data_traits.rs

@@ -40,11 +40,6 @@ pub unsafe trait RawData: Sized
     /// The array element type.
     type Elem;
 
-    #[doc(hidden)]
-    // This method is only used for debugging
-    #[deprecated(note = "Unused", since = "0.15.2")]
-    fn _data_slice(&self) -> Option<&[Self::Elem]>;
-
     #[doc(hidden)]
     fn _is_pointer_inbounds(&self, ptr: *const Self::Elem) -> bool;
 
@@ -177,12 +172,6 @@ unsafe impl<A> RawData for RawViewRepr<*const A>
 {
     type Elem = A;
 
-    #[inline]
-    fn _data_slice(&self) -> Option<&[A]>
-    {
-        None
-    }
-
     #[inline(always)]
     fn _is_pointer_inbounds(&self, _ptr: *const Self::Elem) -> bool
     {
@@ -204,12 +193,6 @@ unsafe impl<A> RawData for RawViewRepr<*mut A>
 {
     type Elem = A;
 
-    #[inline]
-    fn _data_slice(&self) -> Option<&[A]>
-    {
-        None
-    }
-
     #[inline(always)]
     fn _is_pointer_inbounds(&self, _ptr: *const Self::Elem) -> bool
     {
@@ -247,10 +230,6 @@ unsafe impl<A> RawDataClone for RawViewRepr<*mut A>
 unsafe impl<A> RawData for OwnedArcRepr<A>
 {
     type Elem = A;
-    fn _data_slice(&self) -> Option<&[A]>
-    {
-        Some(self.0.as_slice())
-    }
 
     fn _is_pointer_inbounds(&self, self_ptr: *const Self::Elem) -> bool
     {
@@ -353,11 +332,6 @@ unsafe impl<A> RawData for OwnedRepr<A>
 {
     type Elem = A;
 
-    fn _data_slice(&self) -> Option<&[A]>
-    {
-        Some(self.as_slice())
-    }
-
     fn _is_pointer_inbounds(&self, self_ptr: *const Self::Elem) -> bool
     {
         let slc = self.as_slice();
@@ -437,12 +411,6 @@ unsafe impl<'a, A> RawData for ViewRepr<&'a A>
 {
     type Elem = A;
 
-    #[inline]
-    fn _data_slice(&self) -> Option<&[A]>
-    {
-        None
-    }
-
     #[inline(always)]
     fn _is_pointer_inbounds(&self, _ptr: *const Self::Elem) -> bool
     {
@@ -481,12 +449,6 @@ unsafe impl<'a, A> RawData for ViewRepr<&'a mut A>
 {
     type Elem = A;
 
-    #[inline]
-    fn _data_slice(&self) -> Option<&[A]>
-    {
-        None
-    }
-
     #[inline(always)]
     fn _is_pointer_inbounds(&self, _ptr: *const Self::Elem) -> bool
     {
@@ -603,15 +565,6 @@ unsafe impl<'a, A> RawData for CowRepr<'a, A>
 {
     type Elem = A;
 
-    fn _data_slice(&self) -> Option<&[A]>
-    {
-        #[allow(deprecated)]
-        match self {
-            CowRepr::View(view) => view._data_slice(),
-            CowRepr::Owned(data) => data._data_slice(),
-        }
-    }
-
     #[inline]
     fn _is_pointer_inbounds(&self, ptr: *const Self::Elem) -> bool
     {