rpo/rpx: export digest error enum (#313)

src/hash/mod.rs

@@ -6,11 +6,11 @@ pub mod blake;
 
 mod rescue;
 pub mod rpo {
-    pub use super::rescue::{Rpo256, RpoDigest};
+    pub use super::rescue::{Rpo256, RpoDigest, RpoDigestError};
 }
 
 pub mod rpx {
-    pub use super::rescue::{Rpx256, RpxDigest};
+    pub use super::rescue::{Rpx256, RpxDigest, RpxDigestError};
 }
 
 // RE-EXPORTS

src/hash/rescue/mod.rs

@@ -11,10 +11,10 @@ mod mds;
 use mds::{apply_mds, MDS};
 
 mod rpo;
-pub use rpo::{Rpo256, RpoDigest};
+pub use rpo::{Rpo256, RpoDigest, RpoDigestError};
 
 mod rpx;
-pub use rpx::{Rpx256, RpxDigest};
+pub use rpx::{Rpx256, RpxDigest, RpxDigestError};
 
 #[cfg(test)]
 mod tests;

src/hash/rescue/rpo/mod.rs

@@ -8,7 +8,7 @@ use super::{
 };
 
 mod digest;
-pub use digest::RpoDigest;
+pub use digest::{RpoDigest, RpoDigestError};
 
 #[cfg(test)]
 mod tests;

src/hash/rescue/rpx/mod.rs

@@ -9,7 +9,7 @@ use super::{
 };
 
 mod digest;
-pub use digest::RpxDigest;
+pub use digest::{RpxDigest, RpxDigestError};
 
 pub type CubicExtElement = CubeExtension<Felt>;