diff --git a/tests/Vector.lua b/tests/Vector.lua
new file mode 100644
index 0000000..26a2cc8
--- /dev/null
+++ b/tests/Vector.lua
@@ -0,0 +1,6 @@
+type f64 = number
+type vec3 = (x: f64, y: f64, z: f64) -> {x: f64, y: f64, z: f64}
+local Vector3: vec3 = Vector3
+
+local v3 = Vector3(-10, 30, 50)
+print((`{("\n"):rep(3)} x=%d,y=%d,z=%d {("\n"):rep(3)}`):format(v3.x, v3.y, v3.z))
\ No newline at end of file