Implement a fucked tail

src/fuckedtail.moon

@@ -0,0 +1,20 @@
+class Buffer
+  new: (limit = 5) =>
+    @limit = limit
+    @data = {}
+
+  add: (line) =>
+    if #data == @limit
+      table.remove @data, 0
+
+    table.insert @data, line
+
+b = Buffer!
+while true
+  n = io.read!
+  if n ~= nil
+    b\add(n)
+  else break
+
+for _, i in pairs b\data
+  print i