diff --git a/nvim/.config/nvim/fnl/config/macros.fnl b/nvim/.config/nvim/fnl/config/macros.fnl
new file mode 100644
index 0000000..f53371c
--- /dev/null
+++ b/nvim/.config/nvim/fnl/config/macros.fnl
@@ -0,0 +1,14 @@
+;; [nfnl-macro]
+
+(fn tx [& args]
+  "Mixed sequential and associative tables at compile time. Because the Neovim ecosystem loves them but Fennel has no neat way to express them (which I think is fine, I don't like the idea of them in general)."
+  (let [to-merge (when (table? (. args (length args)))
+                   (table.remove args))]
+    (if to-merge
+        (do
+          (each [key value (pairs to-merge)]
+            (tset args key value))
+          args)
+        args)))
+
+{: tx}