Add 'brolib-sml/' from commit 'fd96032949434207dda3b288f48d7fe579f59e4e'

git-subtree-dir: brolib-sml
git-subtree-mainline: 64471ecf7f
git-subtree-split: fd96032949

brolib-sml/bench/gap_buffer_rust.sml

@@ -0,0 +1,13 @@
+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 txns = RustCode.txns
+end
+
+structure Main = Run(GapBufferRust)
+
+val _ = Main.run ()