Make Blake2XbReader public

Author: NoamK-CR

blake2/src/lib.rs

@@ -42,6 +42,7 @@ mod simd;
 mod macros;
 
 use as_bytes::AsBytes;
+pub use blake2x::Blake2bXReader;
 use consts::{BLAKE2B_IV, BLAKE2S_IV};
 use simd::{Vector4, u32x4, u64x4};
 
@@ -97,7 +98,7 @@ pub type Blake2b512 = Blake2b<U64>;
 blake2_mac_impl!(Blake2bMac, Blake2bVarCore, U64, "Blake2b MAC function");
 
 /// Create a blake2xb generator with maximum output
-pub fn blake2xb(seed: &[u8]) -> blake2x::Blake2bXReader {
+pub fn blake2xb(seed: &[u8]) -> Blake2bXReader {
     use digest::ExtendableOutput;
     blake2x::Blake2Xb::new(Some(seed), None)
         .unwrap()