HerculesRefInto trait

hercules_rt/src/lib.rs

@@ -811,3 +811,19 @@ where
         self.as_cuda_ref()
     }
 }
+
+pub trait HerculesRefInto<'a> {
+    fn to(&'a self) -> HerculesCPURef<'a>;
+}
+
+impl<'a, T> HerculesRefInto<'a> for &'a [T] {
+    fn to(&'a self) -> HerculesCPURef<'a> {
+        HerculesCPURef::from_slice(self)
+    }
+}
+
+impl<'a, T> HerculesRefInto<'a> for Box<[T]> {
+    fn to(&'a self) -> HerculesCPURef<'a> {
+        HerculesCPURef::from_slice(self)
+    }
+}

juno_samples/matmul/src/main.rs

@@ -2,9 +2,9 @@
 
 use rand::random;
 
+use hercules_rt::{runner, HerculesRefInto};
 #[cfg(feature = "cuda")]
-use hercules_rt::CUDABox;
-use hercules_rt::{runner, HerculesCPURef};
+use hercules_rt::{CUDABox, HerculesCPURef};
 
 juno_build::juno!("matmul");
 
@@ -25,12 +25,8 @@ fn main() {
         }
         #[cfg(not(feature = "cuda"))]
         {
-            let a = HerculesCPURef::from_slice(&a);
-            let b = HerculesCPURef::from_slice(&b);
             let mut r = runner!(matmul);
-            let c = r
-                .run(I as u64, J as u64, K as u64, a.clone(), b.clone())
-                .await;
+            let c = r.run(I as u64, J as u64, K as u64, a.to(), b.to()).await;
             assert_eq!(c.as_slice::<i32>(), &*correct_c);
         }
         #[cfg(feature = "cuda")]