commit bench folder (also committing examples folder but that's kind of broken at this state)

bench/gap_buffer_rust.sml

@@ -0,0 +1,15 @@
+structure GapBufferRust: TRANSACTION =
+struct
+  type t = GapBuffer.t
+  val empty = GapBuffer.empty
+  val insert = GapBuffer.insert
+  val delete = GapBuffer.delete
+  val toString = GapBuffer.toString
+
+  val title = "Rust"
+  val txns = RustCode.txns
+end
+
+structure Main = Run(GapBufferRust)
+
+val _ = Main.run ()