Make sure XorShiftRng is deprecated

Author: vks

src/deprecated.rs

@@ -170,8 +170,8 @@ impl CryptoRng for ChaChaRng {}
 
 
 #[derive(Clone, Debug)]
-#[deprecated(since="0.6.0", note="import with rand::prng::XorShiftRng instead")]
-pub struct XorShiftRng(prng::XorShiftRng);
+#[deprecated(since="0.6.0", note="import from rand_xorshift crate instead")]
+pub struct XorShiftRng(::rand_xorshift::XorShiftRng);
 
 impl RngCore for XorShiftRng {
     #[inline(always)]
@@ -196,14 +196,14 @@ impl RngCore for XorShiftRng {
 }
 
 impl SeedableRng for XorShiftRng {
-    type Seed = <prng::XorShiftRng as SeedableRng>::Seed;
+    type Seed = <::rand_xorshift::XorShiftRng as SeedableRng>::Seed;
 
     fn from_seed(seed: Self::Seed) -> Self {
-        XorShiftRng(prng::XorShiftRng::from_seed(seed))
+        XorShiftRng(::rand_xorshift::XorShiftRng::from_seed(seed))
     }
 
     fn from_rng<R: RngCore>(rng: R) -> Result<Self, Error> {
-        prng::XorShiftRng::from_rng(rng).map(XorShiftRng)
+        ::rand_xorshift::XorShiftRng::from_rng(rng).map(XorShiftRng)
     }
 }
 

src/prng/mod.rs

@@ -321,9 +321,10 @@ pub mod hc128;
 
 pub use self::chacha::ChaChaRng;
 pub use self::hc128::Hc128Rng;
-pub use ::rand_xorshift::XorShiftRng;
 
 // Deprecations (to be removed in 0.7)
+#[doc(hidden)] #[allow(deprecated)]
+pub use deprecated::XorShiftRng;
 #[doc(hidden)] pub mod isaac {
     // Note: we miss `IsaacCore` here but probably unimportant.
     #[allow(deprecated)] pub use deprecated::IsaacRng;

src/rngs/small.rs

@@ -11,7 +11,7 @@
 //! A small fast RNG
 
 use {RngCore, SeedableRng, Error};
-use prng::XorShiftRng;
+use ::rand_xorshift::XorShiftRng;
 
 /// An RNG recommended when small state, cheap initialization and good
 /// performance are required. The PRNG algorithm in `SmallRng` is chosen to be

src/seq.rs

@@ -598,7 +598,7 @@ fn sample_indices_cache<R>(
 mod test {
     use super::*;
     #[cfg(feature = "alloc")] use {Rng, SeedableRng};
-    #[cfg(feature = "alloc")] use prng::XorShiftRng;
+    #[cfg(feature = "alloc")] use ::rand_xorshift::XorShiftRng;
     #[cfg(all(feature="alloc", not(feature="std")))]
     use alloc::vec::Vec;