diff --git a/lib/utils/src/array.rs b/lib/utils/src/array.rs
new file mode 100644
index 0000000..92e591e
--- /dev/null
+++ b/lib/utils/src/array.rs
@@ -0,0 +1,17 @@
+pub fn cast_arr_mut<T, U>(slice: &mut [T]) -> &mut [U] {
+    assert_eq!(slice.len() % core::mem::align_of::<U>(), 0);
+
+    let len = core::mem::size_of_val(slice) / core::mem::size_of::<U>();
+    let ptr = slice.as_mut_ptr() as *mut U;
+
+    unsafe { core::slice::from_raw_parts_mut(ptr, len) }
+}
+
+pub fn cast_arr<T, U>(slice: &[T]) -> &[U] {
+    assert_eq!(slice.len() % core::mem::align_of::<U>(), 0);
+
+    let len = core::mem::size_of_val(slice) / core::mem::size_of::<U>();
+    let ptr = slice.as_ptr() as *const U;
+
+    unsafe { core::slice::from_raw_parts(ptr, len) }
+}
diff --git a/lib/utils/src/lib.rs b/lib/utils/src/lib.rs
index 51c08a8..e8710b3 100644
--- a/lib/utils/src/lib.rs
+++ b/lib/utils/src/lib.rs
@@ -3,6 +3,7 @@
 #![feature(step_trait)]
 
 pub mod addr;
+pub mod array;
 pub mod assert;
 pub mod atomic;
 pub mod bin;