1 files changed, 32 insertions, 0 deletions
diff --git a/native/treebitmap_nif/src/nibbles.rs b/native/treebitmap_nif/src/nibbles.rs
new file mode 100644
index 0000000..ca1939b
--- /dev/null
+++ b/native/treebitmap_nif/src/nibbles.rs
@@ -0,0 +1,32 @@
+pub struct NibblesV4 {
+    pub n: [u8; 8],
+}
+pub struct NibblesV6 {
+    pub n: [u8; 32],
+}
+
+pub enum Nibbles {
+    V4(NibblesV4),
+    V6(NibblesV6),
+}
+
+impl AsRef<[u8]> for Nibbles {
+    fn as_ref(&self) -> &[u8] {
+        match self {
+            Nibbles::V4(nib4) => nib4.as_ref(),
+            Nibbles::V6(nib6) => nib6.as_ref(),
+        }
+    }
+}
+
+impl AsRef<[u8]> for NibblesV4 {
+    fn as_ref(&self) -> &[u8] {
+        &self.n
+    }
+}
+
+impl AsRef<[u8]> for NibblesV6 {
+    fn as_ref(&self) -> &[u8] {
+        &self.n
+    }
+}