HerculesRefInto trait

• Convenience trait for converting Rust refs to HerculesCPURef.

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)
+    }
+}