diff --git a/src/root.zig b/src/root.zig
index 27d2be8..4ea96eb 100644
--- a/src/root.zig
+++ b/src/root.zig
@@ -1,13 +1,23 @@
-//! By convention, root.zig is the root source file when making a library. If
-//! you are making an executable, the convention is to delete this file and
-//! start with main.zig instead.
 const std = @import("std");
-const testing = std.testing;
 
-pub export fn add(a: i32, b: i32) i32 {
-    return a + b;
-}
+const Raw = union(enum) {
+    string: []u8,
+    binary: []u8,
+};
 
-test "basic add functionality" {
-    try testing.expect(add(3, 7) == 10);
+const Object = union(enum) {
+    nil,
+    bool: bool,
+    integer: i64,
+    float: f64,
+    raw: Raw,
+    array: []Object,
+    map: []struct { key: Object, value: Object },
+    extension: struct { type: u8, bytes: []u8 },
+};
+
+test {
+    const o: Object = .nil;
+
+    _ = o;
 }