feat: Add BorrowArray extension

hugr-core/src/std_extensions.rs

@@ -21,6 +21,7 @@ pub fn std_reg() -> ExtensionRegistry {
         arithmetic::float_types::EXTENSION.to_owned(),
         collections::array::EXTENSION.to_owned(),
         collections::list::EXTENSION.to_owned(),
+        collections::borrow_array::EXTENSION.to_owned(),
         collections::static_array::EXTENSION.to_owned(),
         collections::value_array::EXTENSION.to_owned(),
         logic::EXTENSION.to_owned(),

hugr-core/src/std_extensions/collections.rs

@@ -1,6 +1,7 @@
 //! List type and operations.
 
 pub mod array;
+pub mod borrow_array;
 pub mod list;
 pub mod static_array;
 pub mod value_array;

hugr-core/src/std_extensions/collections/array.rs

@@ -223,7 +223,7 @@ pub trait ArrayOpBuilder: GenericArrayOpBuilder {
         self.add_generic_array_unpack::<Array>(elem_ty, size, input)
     }
     /// Adds an array clone operation to the dataflow graph and return the wires
-    /// representing the originala and cloned array.
+    /// representing the original and cloned array.
     ///
     /// # Arguments
     ///