Add wrapper to prevent iteration of unordered maps
diff --git a/syntax/mod.rs b/syntax/mod.rs
index 1dcb55c..96169e8 100644
--- a/syntax/mod.rs
+++ b/syntax/mod.rs
@@ -13,6 +13,7 @@
 mod improper;
 pub mod instantiate;
 pub mod mangle;
+pub mod map;
 mod names;
 pub mod namespace;
 mod parse;