Remove redundant AsRef/AsMut bounds

Author: steffahn

rand_core/src/block.rs

@@ -178,10 +178,7 @@ impl<R: BlockRngCore> BlockRng<R> {
     }
 }
 
-impl<R: BlockRngCore<Item = u32>> RngCore for BlockRng<R>
-where
-    <R as BlockRngCore>::Results: AsRef<[u32]> + AsMut<[u32]>,
-{
+impl<R: BlockRngCore<Item = u32>> RngCore for BlockRng<R> {
     #[inline]
     fn next_u32(&mut self) -> u32 {
         if self.index >= self.results.as_ref().len() {
@@ -346,10 +343,7 @@ impl<R: BlockRngCore> BlockRng64<R> {
     }
 }
 
-impl<R: BlockRngCore<Item = u64>> RngCore for BlockRng64<R>
-where
-    <R as BlockRngCore>::Results: AsRef<[u64]> + AsMut<[u64]>,
-{
+impl<R: BlockRngCore<Item = u64>> RngCore for BlockRng64<R> {
     #[inline]
     fn next_u32(&mut self) -> u32 {
         let mut index = self.index - self.half_used as usize;

src/rngs/adapter/reseeding.rs

@@ -113,7 +113,6 @@ where
 impl<R, Rsdr: RngCore> RngCore for ReseedingRng<R, Rsdr>
 where
     R: BlockRngCore<Item = u32> + SeedableRng,
-    <R as BlockRngCore>::Results: AsRef<[u32]> + AsMut<[u32]>,
 {
     #[inline(always)]
     fn next_u32(&mut self) -> u32 {