diff --git a/src/desugar.c b/src/desugar.c
new file mode 100644
index 0000000..f34db1f
--- /dev/null
+++ b/src/desugar.c
@@ -0,0 +1,4 @@
+
+HCFChoice *h_desugar(HAllocator *mm__, HParser *parser) {
+  return parser->vtable->desugar(mm__, parser);
+}